Most backyard pools are too short to swim a real lap. A 10×20 ft pool gives you four straight lengths, then a wall, and no amount of good technique changes that. A swim jet system fixes the geometry problem by pushing a controlled current at you, so you swim in place against moving water instead of down a lane.
We spent October 2026 reading every specification sheet, mounting template and owner review we could find on the current generation of swim current generators, then sorted them by the one variable that matters for this topic: whether the machine produces a usable lane inside a genuinely small pool. Six systems earned a place here, and they are not variations of the same box. Two are low-voltage in-ground machines that hold position on a water tank, one is a battery-powered deck-hung unit you can carry out of the pool, one targets above-ground pools with a bracketed body, and two are compact 1500 GPM machines aimed at beginners and children.
This is our guide to the best swim jet systems for small pools in 2026. Every flow figure quoted below comes from the manufacturer or from buyer reports on the unit, never from a lab bench we ran ourselves, and we flag where the two disagree. We also skip the popular search that leads to cheap decorative deck jets, because those move a trickle of water for spa bubbles and produce nothing a swimmer can push against. If your pool is under about 7×13 ft, read the sizing section first, because there is a real point where a swim jet stops making sense.
Table of Contents
Top 3 Swim Jet Picks for Small Pools (October 2026)
ECOPOOLTECH 3000 GPM R200
- 3000 GPM current
- Nine flow levels
- Honeycomb diffuser lane
- No-remodel in-ground install
All 6 Swim Jet Systems Compared in 2026
Flow rate is the headline number, but it is not the only one that decides whether you can actually swim. The four columns worth reading together are gallons per minute, the depth and clear-space each machine demands, how it holds itself in position, and whether it runs from a low-voltage supply or a battery. Everything in this table ships as a freestanding machine rather than a built-in faceplate, so none of it requires you to break into a pool shell.
| Product | Specifications | Action |
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ECOPOOLTECH 3000 GPM Swim Current Machine
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FanceSwim R100 In-Ground Pool Current Machine
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SLIPSTREAM P3000X 3000 GPM Swim Machine
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Aquacherish JET900 24V Swim Jet Trainer
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Generic 1500 GPM Pool Current Generator R100-01-E
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ECOPOOLTECH R200 3000 GPM In-Ground Pool Trainer
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Check Latest Price |
1. ECOPOOLTECH 3000 GPM Swim Current Machine – Best All-Rounder for In-Ground Pools
ECOPOOLTECH 3000 GPM Swim Current Machine for In-Ground Pools
3000 GPM
9 flow levels
30V low voltage
2-year warranty
Pros
- Brushless motor with a strong tunable current
- Honeycomb diffuser spreads flow into a broad lane
- Nine levels run from warm-up to hard endurance work
- No major pool remodel on a compatible in-ground pool
- 30V system with instant power-off protection
Cons
- 3.8-star average with roughly 15 percent one-star reviews
- In-ground pools only
- 13.12 ft cable may be short on larger decks
This machine has the largest buyer base in the entire niche, and that is the single most useful thing we can tell you about it. Seventeen reviews is not a deep sample, but it is deeper than anything else in this category, which means the failure patterns are at least visible. Buyers consistently describe a current you can hold a rhythm against rather than a jet that shoves you off the wall on the first setting.
The 3000 GPM figure is the top of this lineup’s range, and the nine adjustable flow levels do most of the real work. One buyer of the closely related R200 model reported the current pushing waves to the far side of the pool, which tells you the output is filling the water body rather than staying in a tight line a few feet wide. The honeycomb diffuser is the part that separates this design from a plain outlet, and it is the reason the lane feels broad enough for a two-person workout.
Installation is where the 3.8-star average comes from. The unit holds position on a model-specific hanger plus a water-filled weight tank, which means no drilling and no plumbing, but it also means the machine is matched to particular in-ground pool types. Buyers who set it up correctly report a very stable hold and near-zero installation work. Buyers who did not report scattered accessories arriving in a second package, or a cable that did not reach their power supply.
Roughly 15 percent of reviews are one-star, which is a meaningful share. The pattern in those is unit-specific rather than design-specific: a motor that stopped, a tank that leaked, a setup that needed troubleshooting. If you buy this, plan to spend an afternoon on the install rather than an hour, and check the tank hardware before first swim.
How it holds up in a 10×20 pool
At 3000 GPM this is the most capable current in the group, and a 10×20 ft pool is exactly the size where that matters. In a short rectangle you have roughly 20 ft of water in front of the machine before the far wall, so a high flow setting produces rebound rather than an endless lane. The fix is operational: run the top two or three levels rather than the top five, and turn to swim into the return flow for the second half of each length.
It also holds up in a 12×24 or 12×32 pool with less interference from the far wall. The machine is rated for in-ground pools only, so an above-ground or inflatable owner should read on to the bracketed unit further down.
Who should skip it
Skip it if you need a light, low-speed current for young children or a first-time swimmer, because 3000 GPM with nine levels is a lot of machine for a small body. The lower-flow 1500 GPM options give finer control at the gentle end.
Skip it if you have never installed pool equipment and want zero setup. Several buyers needed a second delivery to finish assembly, and anyone with a cable-run problem will be measuring 13.12 ft of cable before buying. A 20 ft extension cable is listed as an optional add-on for the same reason.
2. FanceSwim R100 In-Ground Pool Current Machine – Best Value and Family Swims
In-Ground Pool Swim Current Machine R100
1500 GPM
1000W brushless motor
9 speeds
30V low voltage
Pros
- Smooth continuous current for steady in-place pacing
- Nine speeds that genuinely vary resistance
- No drilling or pool modification
- Quiet continuous mains power with no battery downtime
- 66 percent of buyers give it 5 stars
Cons
- Weaker than the R200 model and one buyer out-swam it
- Flow strength depends heavily on correct install depth
- Heavy enough to have buckled an above-ground frame
The R100 carries the strongest buyer feedback of any machine here, with a 4.5 average and no one-star reviews across 12 ratings, and 66 percent of buyers handing over the maximum score. Only the battery-powered machine scores higher, and it does so on three reviews. That distribution matters more than the average: it means the people who own the R100 mostly like it, rather than a group split between delighted and frustrated.
Flow is about 1500 GPM from a 1000W brushless motor, which is half the output of our top pick but spread across the same nine speed levels. That combination is the reason it suits beginners. A 3000 GPM machine needs a strong swimmer to get anything useful from its top settings, while a 1500 GPM machine still produces a swim-able current at level 2 or 3, which is where children and casual swimmers live.
Mains-powered continuous operation is the quiet advantage here. There is no battery to charge between swimmers, no runtime ceiling and no degradation curve to think about, and the 30V low-voltage supply includes instant power-off protection. For a family with four swimmers taking turns, that reliability is worth more than raw flow.
The recurring theme in the reviews is that install depth decides whether the machine works. Mount it too shallow or too deep and the current is weak no matter what the spec sheet says. The bracket is designed to avoid drilling and extensive plumbing changes, so the whole job is positioning the outlet at the right depth in the water column.
Where the 1500 GPM figure gets you
At 1500 GPM this machine suits a 10×20 pool used for technique work, distance cruising and family recreation rather than hard resistance. Reviewers describe it as a current you can hold a steady pace against, which is the right description for a 20 ft rectangle where rebound current is unavoidable.
One buyer out-swam the machine outright, so for a competitive adult swimmer, treat this as an aerobic and technique tool rather than a training partner. The nine levels still let you work up, and a stronger swimmer on level 9 may find it wanting.
Pool type limits worth checking
Check your pool construction before ordering. One above-ground owner reported frame buckling from the weight, and the manufacturer does not position this unit for steel-wall or inflatable pools. It is a permanent in-ground installation with a 30V supply, and the 13 ft cable is the run you have to work with.
A 20 ft extension cable is listed separately, which is worth budgeting for if your power supply sits far from the pool. The 2-year warranty and 24/7 support are both listed for this model.
3. SLIPSTREAM P3000X Swim Current Machine – Best Portable Battery Swim Jet
SLIPSTREAM 3000 GPM Swim Current Machine for Pools, No Installation, P3000X
3000 GPM
deck-rail mounted
24V 60Ah battery
5-year battery cover
Pros
- Propeller and large outlet give a wide smooth current
- No installation beyond clipping it to the deck rail
- Battery power works where mains cannot reach and stores away between uses
- Speed range up to a 1:20 per 100-yard pace
Cons
- Only three reviews and all are 5-star so there is little long-term evidence
- Needs at least 35 inches of depth and 11 ft of clear swim space
- 48-pound package must be lifted out of the pool for storage
This is the only genuinely portable unit in the group, and it changes who can own a swim jet. It hangs from the pool deck rail with quick-release pins, so there is no drilling, no power supply at the poolside and no permanent footprint. If you rent, if your pool is above ground, or if you would rather not commit to a permanent installation, this is the machine to look at first.
The design is propeller-based rather than a plumbed pump outlet, and the two built-in conditioning grilles shape the discharge into a wide current instead of a concentrated blast. Flow is 3000 GPM with a speed dial that runs from a gentle push to a 1:20 per 100-yard pace, which is genuinely fast and aimed at athletes training on a short lane.
Battery capacity is 24V 60Ah lithium iron phosphate with a 450W fast charger, and the manufacturer claims a recharge in under three hours and up to 2.5+ miles of swimming per charge. Treat that range as a low-gear figure, because every portable machine in this class produces far less distance at full output, and runtime at the top setting is the claim buyers challenge most often.
What 11 ft of clear swim space means for a small pool
The stated requirement is a pool at least 35 inches deep with 11 ft of clear space behind the unit. On a 10×20 pool that means you are swimming toward the shorter wall, and 11 ft of usable lane out of a 20 ft pool is workable for a swimmer holding a steady pace rather than racing.
On a 7×13 pool the requirement is marginal. The 11 ft of clear space fits, but barely, and the rebound off the far end will shape every session. A 12×24 or 12×32 pool is the sweet spot for this unit, where 11 ft of working distance and 3000 GPM stop fighting each other.
Who should skip it
Skip it if you need a permanent hardwired installation that runs all day without a charging cycle, or if a 48-pound package lifted over a pool wall sounds like a chore. The package weight is listed at 48 pounds with built-in wheels, and the accessories add to the load you move.
Also weigh the evidence. A perfect 5.0 score here rests on three reviews, which signals satisfaction rather than consensus, and long-term reliability is genuinely untested. The warranty position is the strongest in the group, with 2 years on the product and 5 years on the battery, which partly answers that gap.
4. Aquacherish JET900 24V Swim Jet Trainer – Best for Above-Ground and Deck-Edge Pools
Swim Current Machine for Pools, 24V Swim Jet Trainer with RGB LED Light
970 GPM
4 speeds and 3 modes
RGB LED ring
24V sealed
Pros
- Compact 28 x 8 x 18 inch body fits a small deck
- Underwater flow makes less splash than a surface jet
- RGB LED ring makes evening swims more usable
- Automatic power-off and overload monitoring
- Bracket fits in-ground and deck-edge above-ground pools
Cons
- Lowest-rated pick at 3.4 stars
- One buyer received a unit with a motor that never ran
- 970 GPM is the weakest flow rating in this lineup
The JET900 is the only unit here with an adjustable bracket specified for both in-ground pools and above-ground pools with a deck edge, and at 28 x 8 x 18 inches it is by far the smallest body in the group at 44 pounds. If your pool is above ground, that compatibility is the reason this machine is on the list at all.
Output is 970 GPM from a sealed 24V low-voltage DC motor, which is the lowest flow rating in the lineup. The current is generated below the water surface rather than sprayed across it, so you get less splash and smoother resistance, but you also get a gentler lane. Read this as a resistance and technique tool, not a training partner for a competitive swimmer.
There are 4 speed levels and 3 training modes driven by a remote and an external control box, which also handles automatic power-off protection, overload monitoring and a water temperature display. The RGB LED light ring is unusual at this size and genuinely useful for evening swims in a small pool where the water is otherwise hard to read.
What 970 GPM feels like in a small pool
At this flow level the machine is producing a current most adults can hold a comfortable stroke against, which makes it a reasonable first step for someone unsure whether they like swimming against water at all. Four speed levels give less resolution than the nine-level machines, so you will find a setting you like quickly and then stay on it.
The submerged outlet is a genuine advantage in a short pool because it wastes less energy on spray and surface turbulence. A 33 ft extended power cable is included, which is one of the longer runs here and gives placement flexibility around the deck.
Quality control is the open question
This pick carries the lowest rating in the group at 3.4, and the cause is specific. One verified buyer received a unit with several wires already disconnected and a motor that never ran, while the other describes a current stronger than expected. With only two reviews there is no middle ground of 3- and 4-star sentiment, so quality control at assembly is the real question rather than the design.
If you buy it, inspect the wiring and run a short test in shallow water before committing a season to it.
5. Generic 1500 GPM Pool Current Generator R100-01-E – Best for Compact Decks
Swim Current Machine for In-Ground Pools, 1500 GPM Pool Current Generator, 9-Speed Adjustable 30V Swim-in-Place Trainer for Beginners, Leisure & Family Fitness, 110V/60Hz
1500 GPM
9 flow levels
30-pound body
2-year warranty
Pros
- Smallest footprint at 15 x 13 x 19.7 inches and 30 pounds
- 1500 GPM across 9 levels suits beginners and children
- 30V design with leakage monitoring
- No-renovation install using the hanger and weight tank
- Reviewer reports level 9 gives a hard workout
Cons
- Only one review and it started with a fault
- Listed under a generic brand name
- Not intended for steel-wall or inflatable pools
This is the smallest and lightest machine we found, at 15 x 13 x 19.7 inches and 30 pounds, and that footprint is the reason it earns a place on a tight patio. If deck space is the constraint that has been stopping you, the body alone solves that problem before flow ever enters the discussion.
Flow is 1500 GPM across 9 adjustable levels from a 30V low-voltage DC motor with leakage monitoring and automatic power-off protection. The 9 levels are unusual at this capacity, and they matter: a single-speed 1500 GPM machine would be either too weak for an adult or too strong for a child, whereas the levels let a family share one machine across ages.
The stated recommendation is in-ground pools with a side longer than 15 ft, which conveniently excludes most inflatable and many steel-wall pools. Installation uses a model-specific hanger and weight holding tank with no major pool remodelling, and a 13.12 ft power cable is included.
When 1500 GPM is enough
It is enough for a 10×20 pool used for light fitness, technique and family swimming, which is exactly the use case the listing targets. The single verified reviewer bought it because their pool was too small for laps and found the top setting gave a genuinely hard workout as a non-elite swimmer.
That same reviewer pointed a stronger swimmer toward a higher-flow pump, which is the honest limit of this class. If your goal is interval training at a fast pace, look at the 3000 GPM machines; if your goal is daily easy distance, 1500 GPM is comfortable.
Listing quality and support
Be aware this is listed under a generic brand name rather than a house brand, so warranty service and support contact are less clearly signposted than on a named-brand machine. Manufacturer information points to ECO POOLTECH, and the model is R100-01-E, so confirm which entity is behind the 2-year warranty before you order.
The only review began with a fault that customer support had to resolve, and the sales rank in the category is the lowest in this group, which is consistent with limited traction. Ask the seller direct questions about parts and service before committing.
6. ECOPOOLTECH R200 3000 GPM In-Ground Pool Trainer – Best for First-Time Installers
ECOPOOLTECH Swim Current Machine, 3000 GPM In-Ground Pool Trainer
3000 GPM
9 speed settings
30V low voltage
2-year warranty
Pros
- Water-tank hanger gives a stable hold with near-zero install work
- Honeycomb diffuser spreads flow into a broad even lane
- 3000 GPM pushed waves to the far side of one pool
- 9 speed settings for swimmers of different levels
- 30V system with instant power-off protection
Cons
- Only one review and it was posted on setup day
- In-ground pools only
- Some accessories arrive in a separate package
This is the same 3000 GPM architecture as our top pick, with the same brushless motor, honeycomb diffuser and nine flow levels, listed as a separate in-ground package. If you are comparing the two, the practical difference is the bundle and the buyer history, not the current.
What makes it interesting for a first-time installer is the reported setup experience. The buyer who reviewed it described the water-tank hold as requiring near-zero installation work and very stable, with a 3000 GPM current strong enough to push waves across the length of their pool. That is a no-drill, no-plumbing method, which is the main reason these freestanding machines exist.
Keep the 30V low-voltage operation and instant power-off protection in mind when you compare it to mains-powered alternatives. Low voltage near water is the single most reassuring specification in this category, and every machine we recommend here runs on 24V or 30V rather than line voltage at the poolside.
How this compares with the larger ECOPOOLTECH package
Flow, speed count, diffuser and warranty all match, so choose on packaging and buyer history rather than performance. The 3000 GPM top pick carries 17 reviews and a fuller accessory list including the in-ground hanger, 13.12 ft cable, power box and weight holding tank, which is a better-supported bet if both are within reach.
Both are in-ground only, and both use a hanger and weight tank matched to specific pool types. If your pool is above ground, neither applies and the bracketed JET900 is the relevant unit.
How much confidence to place in the rating
Very little, and we want to be direct about that. The single review was posted the same day the unit was set up, it focuses on installation rather than long-run performance, and it is unverified rather than a confirmed-purchase rating. The buyer said they intended to update later.
So treat the 5.0 score as promising rather than proven, and note that some accessories arriving in a separate package delayed assembly for that buyer too. Test the machine conservatively through its first months before you build a training plan around it.
Three Ways a Swim Jet Gets Into Your Pool
Every machine in this roundup is a freestanding unit that sits in the water rather than a faceplate built into the pool wall, but they divide into three practical types. The distinction decides installation effort, storage and how much of your deck you give up.
Low-voltage in-ground machines are the R100 and R200 machines. They run from a 30V supply, hold position on a hanger plus a water-filled weight tank, and produce the highest sustained flow in the group. They need an in-ground pool and a permanent place for the power box, but no plumbing and no drilling.
Deck-hung battery machines clip to the pool rail with quick-release pins and carry their own battery. The SLIPSTREAM P3000X is the only one here, and it is the strongest option for renters, above-ground pools and anyone without a poolside power supply.
Bracketed compact machines such as the JET900 use an adjustable mounting bracket instead of a weight tank, which is why they can serve an above-ground pool with a deck edge. The trade-off is flow: 970 GPM against 3000 GPM for the tank-held units.
Minimum Pool Size: Sizing Guide for 10×20, 12×24 and Above-Ground Pools
The honest rule of thumb is that a usable swim current needs a pool at least 7×13 ft, and a comfortable one needs 10 ft of clear working space in front of the machine. Below 7×13 ft there is no good option here, because the rebound off the far wall returns the current to your feet faster than you can swim away from it.
On a 10×20 pool, the 1500 GPM machines are the sensible match. A 3000 GPM unit still works, but you run lower settings and accept rebound. On a 12×24 pool, either flow rate is comfortable, and 12×32 ft is where a 3000 GPM machine and a 1:20 per 100-yard pace start to feel controlled rather than chaotic.
Above-ground pools with a deck edge are a special case. Steel-wall and inflatable pools are explicitly excluded by several of the in-ground units, and the battery machine is the safer bet there because you can remove it at the end of a season without touching pool structure. Weight is the factor to check: one R100 owner reported frame buckling from a machine heavier than those pools are designed to carry at the edge.
Depth matters as much as length. The deck-hung battery unit specifies at least 35 inches of depth, and the submerged in-ground units need enough water column above the outlet to form a lane at all. A shallow pool is the most common reason a swim jet underperforms its spec sheet.
GPM, Outlet Speed and Working-Distance Speed Explained
Flow rate in gallons per minute measures how much water the machine moves, and it is the number most quoted. It is not the number you swim against. Three different speeds get conflated in swim jet marketing, and the gap between them is where disappointed buyers come from.
Outlet speed is the water velocity leaving the machine. It is measured right at the nozzle, where the jet is narrow and fast, and it is the most flattering number a manufacturer can publish. Working-distance speed is the velocity at the swimmer’s position, and it is always lower because the water spreads. Swim pace converts that working speed into something a swimmer understands, as a time per 100 yards or per 100 metres.
This is why a machine quoting 3000 GPM might feel no stronger than one quoting 1500 GPM in the same pool. Outlet width and dispersion angle decide how much of the flow survives the trip to the swimmer, and the honeycomb diffuser and propeller layouts in this group exist for exactly that reason. Ask for working-distance speed at your pool’s dimensions before you treat any flow figure as a promise.
Also watch for the runtime claim gap on battery units. Published range is measured at low output. At the top setting, a 3000 GPM battery machine covers a fraction of that distance, and the same discount applies to any published endurance figure.
What Installation Actually Involves
None of these machines needs pool shell work. That is the main advantage over a built-in counter-current system like the Badu-style jets owners discuss on Reddit’s r/pools, where a 20×10 ft gunite build raised exactly the questions this roundup answers from the retrofit side. A built-in jet is more integrated and higher output, but it commits you during construction and adds a large line item to a pool build, as one Houzz owner described when comparing a high-end three-jet system.
For a freestanding machine, the work is: mount or hang the unit, set the outlet depth, run the low-voltage cable to the power box away from the pool, and fill the weight tank. Reviewers across this group report that step two, the depth, is the one that changes how the machine performs.
Pool Spa Forum threads on built-in systems also carry a caution worth repeating here: the value of any swim jet depends on how often you actually swim. An owner put it plainly, describing a jet as great when you want it and a nuisance the rest of the time. That is a usage question, not a spec question.
New-construction planning deserves one more note. If you are building a pool and can accept the commitment, a built-in system gives you higher output and a finished look, and you can add a freestanding machine later as a backup. If you already own the pool, a retrofit machine like these is the reversible choice.
Safety, Electrical Code and Supervision
Every unit here runs on 24V or 30V low voltage, which is the specification that matters most near water. Keep the mains power supply itself well back from the poolside, and follow local electrical code for poolside installations, which is where a licensed electrician earns their place.
Look for three things: an anti-entanglement grille or conditioning grill on the outlet, a one-touch or automatic power-off, and leakage or overload monitoring. The conditioning grilles on the deck-hung machine and the leakage monitoring on the compact units are the versions of that protection in this group.
Supervision still applies. A swim current is not a life-saving device, children should not swim against one alone, and an LED light ring makes evening swims more visible without replacing a proper pool light. Never swim against a unit you cannot switch off instantly, and know where the power-off is before anyone gets in.
One further small-pool hazard deserves naming because no competitor page mentions it: rebound current. In a short pool, water thrown at the far wall returns as a cross-current that can push a swimmer into a side or catch a weaker swimmer off balance. It is the main reason a 7×13 ft pool is a poor candidate and why we recommend turning to swim into the return flow on a 10×20.
Frequently Asked Questions
What is the best portable swim jet for my pool?
The SLIPSTREAM P3000X is the best portable option we found, because it hangs from the deck rail with quick-release pins and runs on a 24V 60Ah battery, so no poolside power supply or drilling is needed. It outputs 3000 GPM, needs a pool at least 35 inches deep with 11 ft of clear space behind the unit, and recharges in under 3 hours. Its 5.0 rating rests on only 3 reviews.
Are pool swim jets worth it?
They are worth it if your pool is too short for real laps and you swim regularly. A swim jet turns a 10×20 pool into a place where you can swim in place at a steady pace, run intervals or do rehab work. Owner forums split on frequency rather than principle: one described the jet as great when wanted and a nuisance the rest of the time. If you swim a few times a year, a swim spa or open-water swim is likely a better fit.
How much does a swim jet for a pool cost?
Prices span a wide band depending on type, and a freestanding retrofit machine sits at the low end while a built-in Badu-style system adds a large extra line item to a pool build. Total cost of ownership means purchase, any install work, a 13 ft to 33 ft cable run, and electricity. Battery machines add a battery replacement cycle later, while 24V and 30V low-voltage machines cost cents per hour at the outlet. Use the current price button on each product for live figures.
What is a good portable pool jet for swimming?
For a portable jet, prioritize three things: battery capacity, a wide outlet with dispersion, and a clear minimum depth requirement. The deck-hung battery units in this group quote 3000 GPM, 35-inch minimum depth and 11 ft of clear swim space. For a battery-free portable option, the Aquacherish JET900 runs from a 24V supply at 970 GPM and brackets onto above-ground pools with a deck edge, which suits a much smaller budget and a much smaller pool.
What size pool do you need for a swim jet?
You need at least a 7×13 ft pool for a usable current, and roughly 10 ft of clear working space in front of the machine for a comfortable one. On a 10×20 pool, a 1500 GPM machine is the sensible match and a 3000 GPM unit needs lower settings. A 12×24 pool handles either flow rate well, and 12×32 ft is where the fastest settings stop fighting the far wall. Below 7×13 ft there is no good option, because rebound current returns faster than you can swim.
Our Final Verdict for Swim Jets in Small Pools
For most in-ground small pools, the ECOPOOLTECH 3000 GPM machine is our pick, because it combines the highest flow in the group with the largest body of owner feedback and a no-drill water-tank install. Go with the FanceSwim R100 if you want finer control for children and beginners, and pick the SLIPSTREAM P3000X if you rent, have an above-ground pool or simply refuse to run cable to the poolside. Use the current price button for each, measure your pool’s clear swim space first, and stay at 7×13 ft or larger.