HydroSieve™ pond and pondless pre-filter with 316 stainless steel debris basket, lid and 4-inch pipe connections.
HydroSieve™ pond and pondless pre-filter with 316 stainless steel debris basket, lid and 4-inch pipe connections over a pond with waterfall.
Stainless steel filter basket inside the HydroSieve compact pond sieve
Easy to clean HydroSieve-PF pond sieve

Russell Professional Pond & Pondless Products

HydroSieve™ Pond & Pondless Pre-Filter

Sale price$619.99
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HydroSieve™ Pre-Filter
Capture Debris Before It Reaches the Pump

The HydroSieve™ is a compact, easy-to-clean mechanical pre-filter designed to remove debris from the water before it reaches the pump and biological filtration system.

Water enters through the 4" inlet and is directed into a heavy-duty 316 stainless steel debris basket with micro-screen filtration. Leaves, fish waste, seeds, blossoms and smaller suspended debris are captured in the removable basket while pre-filtered water exits through the 4" outlet.

Instead of allowing debris to travel through the pump and farther into the filtration system, the HydroSieve™ captures it in one convenient place where it can simply be lifted out and discarded.

Capture It • Remove It • Keep It Out of the System

HydroSieve™ cutaway showing debris-filled water entering the 4-inch inlet, debris captured in the stainless steel basket, and pre-filtered water exiting the bottom outlet.

One Pre-Filter. Two Different Applications.

The HydroSieve™ was designed to provide mechanical pre-filtration for both ponds and pondless waterfalls.

Koi, Hybrid™ & CrossOver™ Ponds

When connected to a pond bottom drain, the HydroSieve™ captures sinking fish waste and debris before the water reaches the pump.

The HydroSieve™ installs between the bottom drain and pump, providing a dedicated location for collecting and removing debris rather than allowing it to continue through the pump and into downstream filtration.

This helps keep larger waste out of the biological filter so the biological filtration system can concentrate on biological filtration and fine water polishing.

HydroPure™ Filtered Pondless Systems

In a HydroPure™ Filtered Pondless System, the HydroSieve™ captures leaves, blossoms, seeds and other debris carried downstream by the recirculating water.

Pre-filtered water then flows from the HydroSieve™ into the HydroChamber™ pump and water-storage tank, allowing the pump to operate in pre-filtered water instead of inside a debris-filled rock-and-gravel reservoir.

The stainless steel basket can be removed from above for quick routine cleaning.

No digging through rocks. No reaching into a pump vault. Lift the basket, empty the debris and reinstall it.


Fine Mechanical Pre-Filtration

The HydroSieve™ doesn't stop at capturing leaves and other large debris.

Its 316 stainless steel micro-screen provides filtration down to approximately 100 microns, allowing the basket to capture much smaller particles before they travel farther through the system.

This combination of coarse debris collection and fine mechanical pre-filtration makes the HydroSieve™ an effective first stage of filtration.

Remove debris early—before the pump and before the biological filter.


Compact by Design

Effective pre-filtration doesn't need to occupy a large amount of space.

At approximately 25" tall × 17" diameter, the HydroSieve™ provides flow rates up to 5,700 GPH (95 GPM) in a compact rotationally molded housing.

Its small footprint makes it easier to incorporate into both new installations and filtration upgrades where available space may be limited.

Small footprint. Serious pre-filtration.


Designed for Changing Water Levels

Pond water levels don't always remain exactly the same.

The HydroSieve™ is designed to accommodate approximately 6" of water-level fluctuation, providing additional operating range during normal water-level changes and pond maintenance.

This is especially useful in bottom-drain applications where maintaining reliable gravity-fed water flow to the pre-filter is important.


Remote Installation Capability

The HydroSieve™ does not have to sit directly beside the pond or pondless waterfall.

Its 4" plumbing connections allow the unit to be installed remotely, giving you greater flexibility when deciding where filtration equipment should be located.

For 4" gravity-flow piping, use this guideline:

Maximum Remote Distance = Pump Flow Rate ÷ 500

For example:

1,800 GPH ÷ 500 = 3.6 feet
2,700 GPH ÷ 500 = 5.4 feet
3,500 GPH ÷ 500 = 7 feet

This allows the HydroSieve™ to be positioned where it is convenient to access and easy to maintain rather than forcing the filtration equipment to dictate the landscape design.


Simple Connections. Straightforward Installation.

The HydroSieve™ uses a 4" inlet and 4" outlet and can connect to standard PVC or ABS piping using flexible rubber couplers.

It can also be connected to 3" PVC or ABS piping using appropriately sized reducer couplers.

The heavy-duty rotationally molded HDPE housing and lid are designed for outdoor water-feature installations.


HydroSieve™ Features

  • Made in the USA
  • Flow rates up to 5,700 GPH / 95 GPM
  • Compact 25" tall × 17" diameter design
  • Mechanical filtration down to approximately 100 microns
  • Heavy-duty 316 stainless steel debris basket
  • 316 stainless steel micro-screen
  • Heavy-duty stainless steel basket handle
  • 4" inlet and 4" outlet
  • Heavy-duty rotationally molded HDPE housing
  • Rotationally molded HDPE lid
  • Accommodates approximately 6" of water-level fluctuation
  • Removable basket for easy routine cleaning
  • Remote installation capable
  • Connects to 4" PVC or ABS with flexible rubber couplers
  • Can connect to 3" PVC or ABS using reducer couplers
  • Designed for pond bottom-drain pre-filtration
  • Designed for HydroPure™ Filtered Pondless Systems
  • Can also pre-filter roof and landscape drainage water in appropriate water-recycling applications

Put Debris Where It Belongs

Every leaf, seed, blossom and piece of organic debris that can be removed at the beginning of the filtration process is material that doesn't have to travel through the rest of the system.

That's the purpose of the HydroSieve™:

Capture debris before the pump. Make it easy to remove.

Cleaner water entering the pump means less debris traveling downstream and a filtration system that's easier to maintain.

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