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Pond Skimmers

Aquascape · Atlantic Water Gardens · Blue Thumb · EasyPro

Pond Skimmers — Surface Debris Filters for Koi Ponds & Water Gardens

A pond skimmer is the first line of defense against poor water quality — capturing leaves, pollen, and surface debris before it sinks, decomposes, and feeds algae. Shop standalone skimmer boxes from Aquascape, Atlantic, Blue Thumb, and EasyPro, or browse complete ecosystem pond kits that include a matched skimmer and BioFalls filtration system.

Standalone skimmer boxes · Complete ecosystem pond kits with skimmer included · Matched skimmer pumps · Sizes for small water gardens to large koi ponds

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EasyPro PSA7000 Axiom Pro-Series Pond Skimmer
$440.99 - $440.99
$440.99
$440.99 - $440.99
$440.99

EasyPro PSA7000 Axiom Pro-Series Pond Skimmer – Large Heavy-Duty Surface Skimmer for Koi & Ecosystem Ponds

EasyPro

The EasyPro PSA7000 Axiom Pro-Series Skimmer is a professional-grade, roto-molded pond skimmer engineered for koi ponds, ecosystem ponds...

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How a Pond Skimmer Works — And Why Every Koi Pond Needs One

Leaves, pollen, grass clippings, and organic debris float on the pond surface before becoming waterlogged and sinking. Once they sink and decompose they release ammonia and nitrates — toxic to fish, nutrients for algae, and a major driver of sludge buildup. A pond skimmer captures this material at the surface, before decomposition begins, and intercepts it in a net you empty during routine maintenance.

1
Surface current draws debris in
The pump inside the skimmer creates suction that draws the water surface — and anything floating on it — toward the skimmer weir opening on the opposite side of the pond from the waterfall.
2
Weir door and debris net trap solids
A floating weir door allows water and debris in at the surface. A debris net or basket traps leaves, twigs, and larger particles. You lift the net and empty it — total maintenance time is under two minutes.
3
Filter media catches finer particles
Below the net, filter brushes or a foam mat capture finer debris and sediment before water reaches the pump, protecting the impeller and reducing clogging at the biological filter downstream.
4
Pump pushes clean water to BioFalls
Filtered water is pumped from the skimmer up to the BioFalls biological filter or waterfall, completing the ecosystem circulation loop. Debris stays out of the pond permanently.

What Are You Looking For?

This collection includes standalone skimmer boxes and complete pond kits that include a matched skimmer. Choose your path below.

🚭 Standalone Skimmer Box

You have an existing pond, or are custom-building. You need just the skimmer component — not a complete kit. Available in multiple weir widths from 6" to 15" across Aquascape, Atlantic, Blue Thumb, and EasyPro. Use the finder below to identify the right model.

Aquascape SS 200/400/1000 · Atlantic Big Bahama PS4600/PS7000 · Blue Thumb Elite 8"/10"/15" · EasyPro Axiom Pro
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🌎 Complete Pond Kit (skimmer included)

Building a new ecosystem pond from scratch. A complete kit bundles a matched skimmer, BioFalls biological filter, pump, liner, and all plumbing — factory-sized to work together. Atlantic, EasyPro, and Blue Thumb complete kits are stocked here and in our pond kits collection.

Atlantic PK Series · EasyPro Pro-Series · Atlantic-OASE Clear Water Kits · Blue Thumb DIY Kits
Browse All Pond Kits →
⚡ Skimmer Pump (replacement or new)

Replacing the pump inside your existing skimmer, or adding a pump to pair with a new skimmer box. The Atlantic TidalWave3 TT3000/TT4000/TT5000 and Aquascape Ultra 1500 are compact, high-efficiency submersibles designed for skimmer housing applications.

Atlantic TidalWave3 TT3000/TT4000/TT5000 · Aquascape Ultra 1500 · EasyPro EX3600
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Pond Skimmer Sizing, Placement & Buying Guide

A pond skimmer box is the mechanical filtration stage of any ecosystem pond. It sits at the pond edge, buried so the weir door sits at the water surface, and continuously draws in surface water — and everything floating on it — through a debris net and filter media before the pump pushes clean water to the biological filter. Without a skimmer, organic debris settles to the bottom and decomposes, releasing the nutrients that fuel chronic algae growth and the ammonia that stresses fish.

Sizing a pond skimmer comes down to two numbers: pond surface area (square feet) and pump flow rate (GPH at operating head height). Every skimmer has a rated maximum GPH it can handle — run your pump above that rating and the skimmer overflows or creates backpressure. Run it significantly below and the weir door won't draw the surface effectively. The target is to match your skimmer's rated flow range to your pump's actual output at head height, not the pump's zero-head maximum. The sizing table below maps pond size to the correct skimmer model across all four brands we carry.

For shoppers building a new ecosystem pond from scratch: the complete pond kits in this collection (Atlantic PK series, EasyPro Pro-Series, Atlantic-OASE Clear Water kits) already include a factory-matched skimmer and BioFalls. If you're building from components or replacing an existing skimmer, the standalone skimmer boxes below are the right place to start.

Pond Skimmer Sizing Table — All Models by Pond Size

Rule: Match the skimmer's max flow rating to your pump's real GPH at head height. Size up — not down — when between sizes or in high-debris environments.

Model Weir Width Max / Range GPH Pond Size Rating Best For
Aquascape SS 200 6" Up to 3,000 GPH Small ponds Small Aquascape systems; decorative ponds; simple lid
Aquascape SS 400 6" Up to 4,000 GPH Up to 400 sq ft Standard Aquascape ecosystem build; adjustable faceplate; faux rock lid
Aquascape SS 1000 8" Up to 10,000 GPH Up to 1,000 sq ft Large Aquascape ponds; high-flow installs; two bulkhead ports
Atlantic PS3900 6" 1,000–3,000 GPH Small ponds Small Atlantic system; pairs with FilterFalls BF1000
Atlantic PS4600 Big Bahama 6" 2,000–4,000 GPH ~400 sq ft Medium Atlantic pond; stainless debris net; pairs with BF1900
Atlantic PS7000 Big Bahama 9" Super Flow 4,000–7,000 GPH Up to 900 sq ft Large koi pond; heavy debris; pairs with BF2600; optional Gate Keeper
Blue Thumb Elite 8" (PB1199) 8" Matched to BT kits Small BT pond builds Blue Thumb small ecosystem pond; natural rock lid; landscape-ready
Blue Thumb Elite 10" (PB1137) 10" Matched to BT kits Medium BT pond builds Blue Thumb medium ecosystem pond; wider weir; tree-lined ponds
Blue Thumb Elite 15" (PB1144) 15" Matched to BT kits Large BT pond builds Blue Thumb large pond; widest weir; contractor-grade capacity

ⓘ Specs sourced from Aquascape and Atlantic manufacturer documentation. Blue Thumb flow ratings are matched to kit pump specs — call us for exact flow ranges. Not sure which row applies to your setup? Call (765) 508-4352.

Where to Install a Pond Skimmer — 3 Rules That Maximize Performance

The right skimmer placed in the wrong location will still underperform. Placement is as important as sizing.

Rule 1 — Opposite the waterfall
Place the skimmer directly opposite the waterfall return. This creates a cross-pond surface current that continuously sweeps debris toward the skimmer weir — the most effective passive collection possible. A skimmer placed beside the waterfall only captures a small zone near the return.
Rule 2 — Account for prevailing wind
Wind blows debris to the downwind edge of the pond. If your waterfall placement and downwind edge happen to be on opposite sides, you've already optimized. If not, placing the skimmer on the downwind side is a secondary priority after Rule 1 and will significantly improve debris capture on still days.
Rule 3 — Correct water level at the weir
Set the skimmer height so the pond water level sits at the midpoint of the weir door — the floating flap. Too low and the pump loses prime; too high and the door can't float and debris slips under it. The Aquascape Signature Series' adjustable faceplate allows post-install correction if your water level shifts seasonally.

Questions about placement in your specific pond layout? Call (765) 508-4352 — we can walk through it with you.

Skimmer Brand Comparison — What Each Does Best

Aquascape Signature Series — Best for DIY Install & Long-Term Support

Three models — SS 200 (up to 3,000 GPH), SS 400 (up to 4,000 GPH / 400 sq ft), and SS 1000 (up to 10,000 GPH / 1,000 sq ft). Patented snap-together installation, adjustable faceplate for post-install water level correction, locking weir door that lets you drain the skimmer for maintenance without shutting off the pump, and injection-molded bulkhead fittings. The most widely installed professional skimmer in North America. Compatible with all Aquascape BioFalls, pumps, and fittings. Limited lifetime warranty.

Best for: Aquascape system owners · DIY-friendly installs · Widest aftermarket support

Atlantic Big Bahama — Best for Koi Ponds & Heavy Debris

Four PS models — PS3900 (up to 3,000 GPH), PS4600 (2,000–4,000 GPH), PS7000 (4,000–7,000 GPH / 900 sq ft), and PS15000 (7,000–15,000 GPH / 1,400 sq ft). Built from high-molecular-weight polyethylene (stronger than standard HDPE), heavy-duty stainless steel-framed debris trap net, oversized brush panels, Super Flow weir door, and a lid that supports rock camouflage and foot traffic. Optional Gate Keeper brush panel restricts fish and frogs from entering — a key feature for koi ponds. Pairs with Atlantic FilterFalls for a matched system. Lifetime warranty on enclosure.

Best for: Koi ponds · Atlantic system owners · High-debris environments · Contractor builds

Blue Thumb Elite Series — Best for Landscape-First Installations

Three models — 8" (PB1199), 10" (PB1137), and 15" (PB1144) weir widths. All include a natural rock lid that blends into landscape far more seamlessly than faux rock alternatives — a meaningful aesthetic advantage for ponds where the skimmer is visible from living spaces or decking. Matched components for all Blue Thumb Elite pond kits and cascading falls systems. Pairs with Blue Thumb Elite BioFalls for a complete filtration loop.

Best for: Blue Thumb system builds · Landscape-visible installations · DIY pond kits

EasyPro Axiom Pro-Series — Best Value for EasyPro System Builds

EasyPro's Axiom Pro-Series skimmer delivers professional-grade debris capture and flow handling at a strong value price point. Reinforced construction, quality debris net, and effective weir door design make it reliable for medium-to-large pond builds. The matched component for all EasyPro Pro-Series pond kits. If you're building an EasyPro system from scratch, the Pro-Series kits include this skimmer already paired — buying it standalone makes sense for replacements and custom builds.

Best for: EasyPro Pro-Series system owners · Value-focused medium ponds

Complete Your Ecosystem Filtration System

A skimmer is one component in a matched system. Everything it needs to work with:

Pond Skimmer FAQs

What does a pond skimmer do?
A pond skimmer removes floating surface debris — leaves, pollen, grass clippings, algae — before it sinks and decomposes. Once debris sinks it releases ammonia and nitrates that feed algae and stress fish. By capturing debris at the surface, a skimmer eliminates the primary source of organic load in the pond, significantly reducing filter strain and long-term maintenance. Skimmers also house the pump in a protected housing, simplifying plumbing and extending pump life by keeping it away from debris.
Do all ponds need a skimmer?
Most ponds benefit significantly from one, especially ponds near trees, landscaping, or in regions with heavy pollen and airborne debris. Even small ponds collect wind-blown material continuously. Any pond with koi or other fish should have a properly sized skimmer — the combination of fish waste and organic debris creates an organic load no biological filter can keep up with alone. Small decorative ponds in low-debris environments with no fish can sometimes manage without one, but adding a skimmer almost always produces a noticeable improvement in water clarity within a few weeks.
How do I size a pond skimmer?
Match the skimmer's maximum flow rating to your pump's actual GPH at operating head height — not the pump's zero-head maximum. A pump rated 4,000 GPH at zero head might only deliver 2,500 GPH at a 3-foot waterfall — the skimmer must be rated for that actual number, not the 4,000 figure. General guidance: ponds up to 400 square feet use a 6" weir skimmer rated to 3,000–4,000 GPH; ponds up to 900 square feet need a 8"–9" weir; ponds over 900 square feet need a 10"+ weir or high-capacity model. When in doubt, size up — an oversized skimmer is a minor inefficiency, an undersized one causes overflow and pump starvation.
Where should a pond skimmer be placed?
Install the skimmer on the opposite side of the pond from the waterfall or water return. The waterfall creates a current that sweeps the surface toward the skimmer, maximizing debris capture across the full pond surface. The pond water level should sit at the midpoint of the weir door — too low and the pump loses prime, too high and the door can't float and debris passes under it. Secondary placement consideration: put the skimmer on the downwind side of the pond so wind-blown debris is carried toward the skimmer rather than away from it.
What is the difference between the Aquascape Signature Series 200, 400, and 1000?
All three share the same round housing design and Aquascape's patented snap-together installation, but differ in capacity. The SS 200 handles up to 3,000 GPH with a 6" weir — the smallest, simplest model with a basic lid. The SS 400 handles up to 4,000 GPH with a 6" weir, is rated for ponds up to 400 square feet, and adds a natural faux rock lid, overflow kit, and the adjustable faceplate that allows post-installation water level correction. The SS 1000 handles up to 10,000 GPH with a 8" weir, is rated for ponds up to 1,000 square feet, and adds two bulkhead ports for check valve plumbing. Choose by pond size and pump flow — the SS 400 covers most residential ecosystem ponds; use the SS 1000 for large or high-flow installations.
Can a skimmer house the pump?
Yes — all of the standalone skimmer boxes we carry are specifically designed to house a submersible pump inside the skimmer housing. This is the standard ecosystem pond configuration: pump sits inside the skimmer, pulls water through the weir and debris net, and pushes it to the BioFalls. Pump-in-skimmer setups simplify plumbing, provide easy pump access for maintenance (everything is in one box at the pond edge), and protect the pump from large debris. The pump should be sized to match the skimmer's flow range.
How often does a skimmer basket need to be emptied?
It depends on the season and the pond's debris environment. During fall leaf drop and spring algae flush, the basket may need emptying every two to three days. During lower-debris midsummer periods, once a week is usually enough. The clearest signal is flow performance — if waterfall volume visibly drops, check the skimmer basket first. It takes under two minutes to lift, empty, and replace. Keeping the basket clear is the single most impactful routine maintenance task for most ecosystem ponds.
What is the difference between an external skimmer box and an in-pond (floating) skimmer?
An external skimmer box is installed at the pond edge, with the liner attached to the skimmer's faceplate. Water enters through the weir at the water's surface. This is the standard design for ecosystem ponds built with flexible liner — it's the most effective type and the kind we carry from Aquascape, Atlantic, Blue Thumb, and EasyPro. An in-pond (floating) skimmer sits inside the pond and floats on the surface without edge installation — better for retrofitting to existing concrete, fiberglass, or rigid liner ponds where cutting an edge opening isn't practical. In-pond skimmers have smaller debris baskets and require more frequent emptying but need no liner modification to install.
Can I add a skimmer to an existing pond?
Yes — adding a skimmer to an existing liner pond is a documented modification. It involves partially draining the pond, cutting an opening in the liner at the edge, setting the skimmer at the correct weir height, attaching the liner to the skimmer faceplate with the included faceplate, sealant, and hardware, and running a supply line to your existing BioFalls or waterfall. It's a half-day project that typically produces a significant improvement in water clarity. The Aquascape Signature Series' adjustable faceplate is particularly useful for retrofit installations because the water level can be fine-tuned after the skimmer is in the ground. Call us at (765) 508-4352 before purchasing to confirm sizing and placement for your specific pond.
How do I winterize a pond skimmer?
In freezing climates, winterize by removing the pump from the skimmer before first hard frost, disconnecting the supply line at the skimmer outlet, and dropping the pond water level below the skimmer weir opening so ice doesn't form inside the housing or at the liner-faceplate connection. Leave the skimmer body in the ground — removing it disrupts the liner attachment. Some owners stuff the interior with foam insulation for extreme cold protection. The skimmer housing itself (HDPE or HMWPE) is designed for freeze-thaw conditions, but the faceplate-liner seal is the vulnerable point — keeping the water level below the weir protects it. In mild climates (hardiness zones 7–9), many systems run year-round with no winterization needed.

Not Sure Which Pond Skimmer Is Right for Your System?

We help homeowners and contractors match the right skimmer to their pump flow, pond size, and existing brand system every day. Call or text Monday–Friday, 9am–5pm EST — tell us your pond size and current pump and we'll point you to the right model.

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