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Koi Fish
Koi Food
Filtration
Pond Equipment
Water Features
Water Care
Brands
Learn & Community
Koi Fish
Shop Koi
Clearance Sale
All Koi
New Arrivals
Arriving from Japan
Bowls & Groups
Omakase
Under $500
$500–$1,000
Over $1,000
Other Pond Fish
By Variety
Gosanke
Kohaku
Sanke
Showa
Shiro Utsuri
Tancho
Gin Rin
Doitsu
Non-Gosanke
Koi Variety Guide
By Breeder
Omosako
Koda
Kanno
Taniguchi
Sakai
Sekiguchi
Torazo
Maruhiro
Dainichi
Show Awards (ZNA)
Show Contenders
Baby Champion A
Baby Champion B
Young Champion A
Young Champion B
Adult Champion A
Adult Champion B
Mature Champion A
Mature Champion B
Grand Champion A
Grand Champion B
Flower Awards (ZNA)
Miyabi
Sakura
Tsubaki
Botan
Koi Food
Shop by Brand
All Koi Food
JPD
Nijikawa
Tomigai
PondMAX
Shop by Goal
Color-Enhancing Koi Food
Koi Food for Growth
Sinking Koi Food
Feeding
Automatic Koi Feeders
Nutrition Center
Tomigai
jpd
Filtration
Pond Filters
Drum Filters (RDF)
Bakki Showers
Bead Filters
Pressurized Pond Filters
Gravity & Multi-Stage Filters
Waterfall & All-in-One Filters
Prefilters & Sieves
Complete Filtration Systems
UV Clarifiers
UV Clarifiers & Sterilizers
UV Lamps & Parts
Media & Parts
Filter Media
Filter & Skimmer Parts
Pond Equipment
Pond Pumps
All Pond Pumps
External Pumps
Submersible Pumps
Pump Parts & Controllers
Aeration
Air Pumps
Diffusers, Air Stones & Air Line
Lake & Pond Aeration Systems
Pond Construction
Pond Skimmers
Bottom Drains
Pond Liner & Underlayment
Plumbing, Valves & Fittings
Pond Kits
Pond Tools
Pond Heaters & De-Icers
Pond Vacuums & Tools
Koi Nets & Bowls
Pond Netting & Covers
Water Features
Fountains
Fountain Pumps
Fountain Nozzles & Heads
Floating Fountains
Decorative Fountain Kits
Fountain Basins
Waterfalls
Waterfall Spillways & Weirs
Formal Spillways & Waterwalls
Pondless Waterfalls
Waterfall Foam & Installation
Garden & Lighting
Aquatic Plants
Aquatic Plant Care
Pond & Fountain Lighting
Water Care
Pond Treatments
Beneficial Bacteria
Dechlorinators
Clarifiers & Sludge Removers
Algae Control
Defoamer
Mosquito Control
Koi Health
Koi Medications
Water Test Kits
Brands
Filtration & Equipment
GC Tek
OASE
Atlantic Water Gardens
Matala
Teton
PondMAX
Aqua Ultraviolet
Evolution Aqua
PerformancePro
Sequence
Rhino Bottom Drains
Koi Food
JPD
Nijikawa
Tomigai
Water Care
Aqua Meds
Microbe-Lift
UltraClear
Koi Breeders
Omosako
Koda
Kanno
Taniguchi
Sakai
Sekiguchi
Torazo
Dainichi
Learn & Community
Koi Guides
Choosing Koi
Koi Varieties
Nutrition Center
FAQ & Koi Tidbits
Mystic Koi
Our Champions
Grow-Out Community
Grow-Out Contest Results
2026 Omosako Grow-Out Contest
Merch Store
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GC Tek
Water Co Half Union
Sale price
$25.00
2" Union for GC tek Filters/Multiports
Sold out
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Water Co Half Union
Sale price
$25.00
GC Tek
Water Co Half Union
Sale price
$25.00
Sold out
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