
Fully Functional One-Piece Molded Filter Tubs
A Revolution in Aquarium Sumps And Filtration Systems
The Seamless Sump® Aquarium Filter
- One-piece molded construction- no seams, no welds, NO LEAKS!
- Glass lids – no warping or yellowing, great for UV lights
- Made of High-Density Polyethylene
- Far superior to acrylic or glass for sump use-No more brittle, stale, “old tank” syndrome
- Three different tubs are easily connected and expandable for many configurations
- It fits in most commercially available stands from the front!
- Great for both salt and freshwater tanks. Compartmentalizes the various filtration tasks
- Optimizes microparticle filtration, biological filtration, and aeration
- Easily transforms from a wet filter to a wet dry filter
- Works great with the H2Overflow® system or any other 1-1/2” overflow
- Cord management grommets to plug in your heaters and pumps easily
- Pre-molded pilot hole dimples- easy fabrication for many custom bulkhead configurations
- Commercial quality, professional look and feel. Engineered and Built to Last a LIFETIME!

Aquarium Sumps Key Features and Details

Seamless Sumps®Single Sock Tub Features:
- Prevents debris from entering your media stack
- Polishes microparticles from water for extreme water clarity
- Easy to change socks without turning off your pumps
- No high-pressure seal that can leak
- Water can bypass the sock in the unlikely event it gets clogged without disrupting the remainder of the filter system
- The glass lid won’t turn yellow or curl
- Comes with a 200-micron filter sock and bracket
- Replacement socks are inexpensive, disposable, and reusable
- The tub is made from 1 piece molded HDPE sump material, a material far superior to glass or acrylic for this use
- A must-have for any aquarium sumps system.

Seamless Sump®Double Filter Sock Tub Key Features:
- Up to 2400GPH of flow!
- Can handle up to two H2Overflows
- Adds very little to the footprint of your filtration system with very little added cost as compared to a single sock tub
- Sturdy HDPE construction that is easy to clean and will not absorb chemicals
- The glass lid will not warp or turn yellow
- All of the other benefits of the single sock tub
- A great upgrade for any sump system

Seamless Sump® Jumbo 4 Sock Aquarium Filter Tub Key Features:
- Height of a sock tub with the footprint of a reservoir tub
- Up to 4 aquarium filter socks for a flow rate of up to 4800GPH
- Can accept up to four H2Overflows in a single tub
- Large reservoir area perfect for submersible skimmers and/or live rock
- A hinged glass canopy (optional) minimizes evaporation and lets you view the top of your skimmer
- Adds massive water volume, flow rates, and particle filtration with minimal footprint and cost
More Information & Views of the Jumbo 4 Sock Aquarium Filter/Protein Skimmer Tub

Seamless Sump® Protein Skimmer Tub Key Features:
- Up to 3 aquarium filters socks for a flow rate of up to 3600GPH
- Can accept up to four H2Overflows in a single tub
- Designed to be used with a Protein Skimmer
- Adds massive water volume, flow rates, and particle filtration with minimal footprint and cost

Seamless Sump® Baffle Tub Key Features:
- One-piece molded baffle design – no seams, no welds, no leaks!
- Media baskets provide organized, high volume, high surface area, and efficient bacteria culture for biological filtration
- Easily arrange media baskets to provide a constant, fresh supply of bio media to the culture
- An optional pad on top of the media stack prevents debris and refuse from getting into your media stack
- Baffle design prevents debris and micro bubbles from getting to the pump side of the tank
- Baffle design ensures the media is always submerged even if water levels go down on the right side due to evaporation
- Not under pressure – no reliance on seals that can fail over time
- Redundant pumps – in the event of a failure replace an inexpensive pump rather than an entire filter-Use with Siphon Stopper® to drastically reduce the likelihood of back siphoning
- Comes standard with a cord management grommet to connect your pumps, heaters, and other in-sump equipment
- Standard 2” molded-in slip fitting over media stack to easily connect to your overflow
- Many other configurations are available.

Seamless Sump®Reservoir Tub Key Features:
- Use to compliment the sock tub or baffle tub, or as a stand-alone sump or refugium system
- Use as an evaporation tub, refugium tub, feeder fish tub, or to add water volume to the entire system
- The glass lid won’t yellow or curl, great for UV plant lights
- Easily fabricate holes for tubing, bulkheads, etc. to the top or sides of the tub
- Pre-molded pilot hole dimples ensure consistent height and spacing for fabricating a multitude of configurations
- Recirculation tee in line with baffle pump allows controlled reservoir circulation without investing in another pump
- Many more uses and features.

Seamless Sump®
Mini Reservoir Tub Key Features:
- Same features and benefits of the standard reservoir tub
- A slightly smaller footprint allows more tubs in smaller stands
- HDPE construction has no welds, no seams, and no leaks!
- Great for evaporation or refugium use
- The glass lid will not warp or turn yellow
Seamless Sump® Complete Packages
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1200GPH 29 Aquarium Sump Package$499.80
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1200GPH 45 Aquarium Sump Package$712.16
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1200GPH 50 Aquarium Sump Package$732.16
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1200GPH 61 Aquarium Sump Package$915.85
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1200GPH 70 Aquarium Sump Package$955.85
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1200GPH Low Profile 23 Aquarium Sump Package$444.80
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1200GPH Low Profile 40 Aquarium Sump Package$657.16
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1200GPH Low Profile 44 Aquarium Sump Package$677.16
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1200GPH Low Profile 55 Aquarium Sump Package$860.85
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1200GPH Low Profile 65 Aquarium Sump Package$900.85
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2400GPH 29 Aquarium Sump Package$579.75
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2400GPH 45 Aquarium Sump Package$792.11
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2400GPH 50 Aquarium Sump Package$812.11
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2400GPH 61 Aquarium Sump Package$995.80
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2400GPH 70 Aquarium Sump Package$1,035.80
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3600GPH Double-Baffle Reef 62 Aquarium Sump Package$929.60
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3600GPH Reef 41 Aquarium Sump Package$649.85
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3600GPH Reef 57 Aquarium Sump Package$862.21
Seamless Sump® System Common Configurations
When configuring your Seamless Sump® system, the possibilities are endless. Many aquarium sump configurations can be accomplished with this versatile system. You can assemble your own, or give us a call and have an experienced service technician help you design the ultimate aquarium sump setup.
Learn More About The Components Of Our Seamless Sump System