AlphaONE MegaSystem 3


AlphaONE MegaSystem 3 is the latest innovation from GCTek, the recognized leaders in Koi pond filtration. These world-class pond filtration systems provide complete biological and mechanical filtration for Koi ponds up to 25,000 gallons! Everything on the MegaSystem 3 is 3" -- not 2" like most systems on the market today. If your goal is to move lots of water with minimal energy usage, the MegaSystem 3 is the system for you! Each MegaSystem 3 comes with your choice of an AlphaONE or AquaBead 9.3 LH Filter, 3" PerformancePro Artesian Pro Pump 3/4-112 Low RPM Pump, and Zapp Pure 40 UV Sterilizer, and 3" stainless steel pre-filter. All equipment is preplumbed and mounted on two all-weather pads measuring 36" x 96". A variety of pumps are available for these systems to help suit your specific needs.


  • Provides complete filtration for Koi ponds up to 25,000 gallons
  • Choice of AlphaONE or AquaBead 9.3 LH Filter
  • Low Head (LH) Multiport Valves for minimal head loss
  • PerformancePro ArtesianPro 3/4-112 Pump
  • Zapp Pure 40 UV Sterilizer
  • Preplumbed on two 36" x 96" all-weather pads
  • 3-inch plumbing throughout
  • 3" plumbing throughout system for maximum flow rates
  • A variety of pump options are available for this system.

*Free ground shipping available within contiguous USA only.

Buy with confidence knowing you are getting the lowest price anywhere.
Unmatched selection. Unbeatable prices. Personal service.

Item # Description Price Points  
AMS3-A1 AlphaONE MegaSystem 3 w/AlphaONE 10.3 LH Filter Was $8,612.95$7,751.95 7700 Ships 4 Free
AMS3-AB AlphaONE MegaSystem 3 w/AquaBead 10.3 LH Filter Was $8,612.95$7,751.95 7700 Ships 4 Free
Subscribe to our Newsletter