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Our Champions
Grow-Out Community
2025–2026 Grow-Out Contest Results
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Koi Fish
All Koi
Omakase
Koi Under $500
Koi $500-1000
Koi Over $1000
Koi Food
JPD
Tomigai
Nijikawa
Tomigai
jpd
Water Care & Treatments
Algae Solutions
Beneficial Bacteria
Dechlorinator
Defoamer
Water Clarifiers
Medicinal Treatments
Mosquito Control
Hardware
Air Pumps
Bottom Drains
Ultraviolet (UV) Water Systems
Filtration
Filter Media
Pre-Filters
External Pumps
Submersible Pumps
Pond Skimmers
Pondless Waterfalls
Waterfall Wiers
Replacement Parts
Resources
FAQ & Koi Tidbits
Koi Varieties
Choosing Koi
Nutrition Center
Events
2026 Omosako Online Grow-Out Contest
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GC Tek Prefilters
AquaSieve2, AquaSieve 3.3 SS and MultiCyclone 50 solids separators.
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2 products
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GC Tek
GC Tek AquaSieve Solids-Separator Prefilter
Sale price
From $524.95
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GC Tek
GC Tek MultiCyclone 50 Centrifugal Prefilter
Sale price
$499.95
