Seamless Sump® Aquarium Sumps Filtration System

seamless® sump

A Revolution in Aquarium Sump Filtration

The Seamless Sump® Aquarium Filter

  • Made of High-Density Polyethylene.
  • No seams, no welds, NO LEAKS!
  • No warping or yellowing.
  • No more brittle, stale, “old tank” syndrome.
  • Tubs are easily connected and expandable.
  • Fits in most aquarium stands.
  • Great for saltwater and freshwater.
  • Optimizes microparticle filtration, biological filtration, and aeration.
  • Can transform from a wet filter to a wet-dry filter.
  • Works great with the H2Overflow® or any 1-1/2” overflow.
  • Cord management grommets for heaters and pumps.
  • Pre-molded pilot hole dimples for bulkheads.
Seamless Sump Package 150-240 Gallon Refugium Configuration Diagram Inside
Filter Sock Tub, Baffle Tub, and Reservoir Tub plumbed together.

Aquarium Sumps: Key Features and Details

Seamless Sumps®
Single Sock Tub

  • Prevents debris from entering your media stack.
  • Polishes microparticles for enhanced water clarity.
  • Change socks without turning off your pumps.
  • No high-pressure seals that can leak.
  • Water bypasses the sock if it gets clogged.
  • The glass lid won’t curl or turn yellow.
  • Comes with a 200-micron filter sock and bracket.
  • Made from 1 piece molded HDPE.

More Information & Views of the Sock Tub

Seamless Sump®
Double Filter Sock Tub

All the features of the single sock tub +

  • Up to (2) filter socks. Flow rate up to 2400GPH.
  • Handles up to (2) H2Overflows.
  • Compact and cost-effective.
  • Easy to clean and won’t absorb chemicals.
  • Glass lid will not warp or turn yellow.

More Information & Views of the Double Sock Tub

seamless sump 1s4 four sock tub for aquarium filter

Seamless Sump®
Jumbo 4 Sock Aquarium Filter Tub

All the features of the double sock tub +

  • Up to (4) filter socks. Flow rate up to 4800GPH.
  • Compact and cost-effective.
  • Handles up to (4) H2Overflows in a single tub.
  • Reservoir area for submersible skimmers and live rock.
  • Hinged glass lid (optional).

More Information & Views of the Jumbo 4 Sock Aquarium Filter/Protein Skimmer Tub

seamless sump 1s3s skimmer tub for aquarium filter

Seamless Sump®
Protein Skimmer Tub

  • Up to (3) aquarium filter socks. Flow rate up to 3600GPH.
  • Handles up to (4) H2Overflows in a single tub.
  • Designed to use with a Protein Skimmer.

More Information & Views of the Protein Skimmer Tub

Seamless Sump Baffle Tub

Seamless Sump®
Baffle Tub

  • Location for organized media baskets (optional pad for top of the stack).
  • Prevents debris and micro bubbles from getting to the pump side of the tank.
  • Ensures the media is submerged even if water levels go down from evaporation.
  • Not under pressure and doesn’t rely on seals.
  • Redundant pumps in case of failure.
  • Cord management grommet to connect equipment.
  • Standard 2”, molded-in, slip fitting to connect to your overflow.
  • Many possible configurations.

More Information & Views of the Baffle Tub

seamless sump reservoir tub

Seamless Sump®
Reservoir Tub

  • Compliments the sock tub or baffle tub, or as a stand-alone sump.
  • Evaporation tub, refugium tub, feeder fish tub, or just extra water volume.
  • Glass lid won’t yellow or curl.
  • Include holes for tubing, bulkheads, etc., to the top or sides of the tub.
  • Pre-molded pilot hole dimples ensure consistent height and spacing for several sump configurations.
  • Recirculation tee aligns with the baffle pump for controlled reservoir circulation without getting another pump.

More Information & Views of the Reservoir Tub

seamless sump mini reservoir tub

Seamless Sump®

Mini Reservoir Tub

All the features of the reservoir tub +

  • A slightly smaller footprint allows more tubs in smaller stands.
  • Great for evaporation or refugium use.

More Information & Views of the Mini Reservoir Tub

Seamless Sump® Complete Packages

Seamless Sump® System: Common Configurations

With the versatile Seamless Sump®, the possibilities of your sump system are almost endless. You can assemble your own, or give us a call, and a service technician will help you design the optimal sump for your aquarium!

Learn More About The Components Of Our Seamless Sump System