Koi Pond Filters - Waterfall Filters » GCTeK Filter Systems

AquaBead Filtration Systems

All of the AquaBead filters utilize the AquaSwirl internal Vortex spinning design that spins heavier solids to the center of the bottom of the vessel. Why do we want to spin the solids to the center of the vessel? Our goal is to have a filter that doesn't load up with solids. When a filter "loads up" it ceases to perform at its ...

DuoTek System

DuoTek- Dual Technology Filter This is the filter that is rewriting the books on filtration. Most experts agree that fluidized bed filtration can't be beat for biological filtration due to the fact in never clogs or needs cleaning because it's always in motion. The problem with that ...

GCTek AlphaOne

More than a bead filter!! The AlphaONE system uses a mixed media system. The media comes in two shapes mixed together and as the media nests together in it's pack, tremendous amounts amounts of solids can be trapped without going anaerobic. The solids are easily dispersed when the media agitator is engaged and flushed out ...

GCTek Medusa Filter

The Medusa solves the age old problem of how to filter a large pond while only using one filter. The problem: Pond is 20 to 25 thousand gallons. You want to turn it over about every 2 hours. A 1/4 hp pump will put out about 5000 gallons an hour. This means you need two filter systems to accomplish this and stay with energy ef ...

GCTek Plus Systems

The AquaBead or AlphaONE PLUS System(tm) can be completely assembled, plumbed and mounted on a durable, all weather pad that is ready to install when you receive it. Now, that's easy. How easy, as easy as hooking up an AquaBead/AlphaONE filter by itself. In a space of 36" X 48" for the 3 smaller unit ...

UniClear Water Polisher

UniClear Water Polishing Filter Removes the "Color" and fines from Pond Water Many times water is clear, yet the whites of the fish look yellow. It's the water that has turned yellow with time.