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Grand Champion Technologies (GC Tek) proactively meets the needs of customers with a complete line of quality products. GCTek has high-end product offerings, such as the AlphaOne filter units, ZapPro UV lights, and ThermaKoi Pond heaters - help customers create a healthy environment that sustains Koi and other water living creatures by prolonging their life span through efficient filtration systems and quickly adjusting to changing temperatures in cooler weather and warmer months.

GCTek Professional Pond Filters

GCTek is dedicated to bringing you the highest quality filters at the lowest cost - backed with a lifetime warranty on the tank. Multiport valves are carefully chosen to give maximum flows for the least energy dollars. Rest assured, quality was the main consideration when your filter was designed and assembled.

GCTek Complete Pond Filter Systems

These Complete Systems are mounted on an all weather pad, pre-plumbed and ready to install. Nothing could be easier or better.

GCTek Zapp Pure & ZapPRO UV Clarifiers

High output UV's with high intensity lamps quickly eliminate green water. Auto shutoff overload protected. Higher grade electronic ballast for long life.

GCTek Thermakoi Pond Heaters

GCTek Thermakoi heaters are just the thing when you need to easily heat your koi pond. Made of heavy 316 stainless steel, flow switches standard for reliability and electronic thermostats for precise temperature control.

GCTek Replacement Parts and Media

Replacement Parts and Media for your GCTek products

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