GC Tek’s Method for Sizing AlphaONE Filters

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Model Size (cu. ft.) Max Pond Size Flow Rate (gpm) Fish Load (lbs.) Dimensions
 AlphaONE 1.75  1.75  2500 gallons (U.S.)  50 gpm  87.5 lbs.  19" x 31"
AlphaONE 2.50 2.5 5,000 gallons (U.S.) 70 gpm 125 lbs. 21" x 34.5"
AlphaONE 4.25 4.25 10,000 gallons (U.S.) 90 gpm 225 lbs. 24.5" x 35.5"
AlphaONE 6.0 6.0 17,000 gallons (U.S.) 120 gpm 300 lbs. 30.4" x 40"
AlphaONE 10.0 10.0 25,000 gallons (U.S.) 180 gpm 500 lbs. 36.4" x 45"

High-Flow Multiport Valve Design

The Alphaone Bead Filters’ High-Flow Multiport Valve is built to keep large koi and garden ponds running at peak clarity with less effort. Its internal engineering is designed for maximum throughput and minimal restriction, so your pump can move more water with less strain. That means stronger circulation, better debris capture, and a healthier biological environment for your fish—especially in high-stock or heavy-feeding ponds.

  • Built for Performance & Easy Control

This multiport valve combines all essential filtration functions into one smooth-operating unit. With a single turn, you can shift between Filter, Backwash, Rinse, Waste/Drain, Recirculate/Bypass, and Winter/Service modes. No extra plumbing, no complicated valve networks, just clean control that simplifies the entire filtration system.

  • Faster Backwash, Cleaner Beads

High flow isn’t just about circulation—it directly improves cleaning power. During backwash, the valve delivers a stronger water surge through the bead media, lifting trapped waste more effectively. The result is cleaner beads, quicker maintenance cycles, and clearer pond water without needing frequent deep clean-outs.

Heavy-Duty, Pond-Grade Reliability

Constructed from durable, outdoor-ready materials, the valve resists UV exposure, pressure fatigue, and seasonal wear. Precision sealing ensures leak resistance and consistent performance over time, making it a dependable long-term upgrade for serious pond keepers.

  • Why It Matters?

By eliminating flow bottlenecks and streamlining maintenance, the AquaBead High-Flow Multiport Valve helps your bead filter work harder, clean faster, and last longer—keeping your pond stable, clear, and koi-safe all year.

Reviews (1)

  • Overall rating:
John K.
August 8, 2025

I appreciate that they use real university test data—1 cu. ft. handles 50 lbs of fish fed 1% daily. That gives me confidence I picked the right size filter.

Model Size (cu. ft.) Max Pond Size Flow Rate (gpm) Fish Load (lbs.) Dimensions
 AlphaONE 1.75  1.75  2500 gallons (U.S.)  50 gpm  87.5 lbs.  19" x 31"
AlphaONE 2.50 2.5 5,000 gallons (U.S.) 70 gpm 125 lbs. 21" x 34.5"
AlphaONE 4.25 4.25 10,000 gallons (U.S.) 90 gpm 225 lbs. 24.5" x 35.5"
AlphaONE 6.0 6.0 17,000 gallons (U.S.) 120 gpm 300 lbs. 30.4" x 40"
AlphaONE 10.0 10.0 25,000 gallons (U.S.) 180 gpm 500 lbs. 36.4" x 45"

High-Flow Multiport Valve Design

The Alphaone Bead Filters’ High-Flow Multiport Valve is built to keep large koi and garden ponds running at peak clarity with less effort. Its internal engineering is designed for maximum throughput and minimal restriction, so your pump can move more water with less strain. That means stronger circulation, better debris capture, and a healthier biological environment for your fish—especially in high-stock or heavy-feeding ponds.

  • Built for Performance & Easy Control

This multiport valve combines all essential filtration functions into one smooth-operating unit. With a single turn, you can shift between Filter, Backwash, Rinse, Waste/Drain, Recirculate/Bypass, and Winter/Service modes. No extra plumbing, no complicated valve networks, just clean control that simplifies the entire filtration system.

  • Faster Backwash, Cleaner Beads

High flow isn’t just about circulation—it directly improves cleaning power. During backwash, the valve delivers a stronger water surge through the bead media, lifting trapped waste more effectively. The result is cleaner beads, quicker maintenance cycles, and clearer pond water without needing frequent deep clean-outs.

Heavy-Duty, Pond-Grade Reliability

Constructed from durable, outdoor-ready materials, the valve resists UV exposure, pressure fatigue, and seasonal wear. Precision sealing ensures leak resistance and consistent performance over time, making it a dependable long-term upgrade for serious pond keepers.

  • Why It Matters?

By eliminating flow bottlenecks and streamlining maintenance, the AquaBead High-Flow Multiport Valve helps your bead filter work harder, clean faster, and last longer—keeping your pond stable, clear, and koi-safe all year.

Reviews (1)

  • Overall rating:
John K.
August 8, 2025

I appreciate that they use real university test data—1 cu. ft. handles 50 lbs of fish fed 1% daily. That gives me confidence I picked the right size filter.

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