GC Koi Farm | Koi Fish For Sale | Pond Supplies

MARUDO JUMBO TOSAI 12"-14" CERTIFICATE KOI #90
$350.00

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MARUDO JUMBO TOSAI 10"-13" CERTIFICATE KOI #129
$350.00

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MARUDO JUMBO TOSAI 10"-13" CERTIFICATE KOI #128
$350.00

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MARUDO JUMBO TOSAI 10"-13" CERTIFICATE KOI #127
$350.00

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TORAZO KOHAKU JUMBO TOSAI WITH CERTIFICATE

TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #3
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #40
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #38
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #36
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #35
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #34
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #33
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #32
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #31
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #29
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #27
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #26
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #25
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #24
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #22
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #20
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #19
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #17
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #16
$400.00

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TORAZO KOHAKU JUMBO TOSAI 10”-12” WITH CERTIFICATE #15
$400.00

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MOMOTARO "NEW TYPE"

After nearly 10 years of crossbreeding Jumbo Karashi, Ochiba, and Muji, Momotaro successfully developed a groundbreaking Gosanke bloodline, known as the “New Type.” Some of these Nisai have already surpassed 26", with the largest exceeding 30". These koi are proven to grow large extremely fast. Select them now before they're gone

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MOMOTARO "NEW TYPE" KOHAKU 6"-8" BOWL 29
$200.00

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MOMOTARO "NEW TYPE" KOHAKU 6"-8" BOWL 21
$200.00

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MOMOTARO "NEW TYPE" KOHAKU 7"-9" BOWL 25

MOMOTARO "NEW TYPE" KOHAKU 7"-9" BOWL 22

MOMOTARO "NEW TYPE" KOHAKU 9"-11" BOWL 7

MOMOTARO "NEW TYPE" KOHAKU 9"-11" BOWL 4

MOMOTARO "NEW TYPE" KOHAKU 9"-11" BOWL 2

MOMOTARO "NEW TYPE" KOHAKU 9"-11" BOWL 1
$300.00

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MOMOTARO "NEW TYPE" SANKE 9"-11" BOWL 5
$300.00

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MOMOTARO "NEW TYPE" KOHAKU 7"-9" BOWL 24
$300.00

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MOMOTARO "NEW TYPE" KOHAKU 8"-10" BOWL 10
$300.00

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MOMOTARO "NEW TYPE" KOHAKU 9"-11" BOWL 6
$300.00

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BUY MORE SAVE MORE TOSAI - 1 YEAR OLD

NEW! DAINICHI ORANGE MONKEY 7"-9" *LIMITED STOCK*
From $175.00 $525.00

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IZUMIYA YAMABUKI 7"-8”
From $80.00 $240.00

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KONISHI HIGH-QUALITY SUPER CLEAN KARASHI 7"-9” *LIMITED STOCK*
From $175.00 $525.00

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MARUSEI RED KARASHI 5"-7"
From $90.00 $270.00

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YAGENJI KARASHI 6"-7"
From $60.00 $180.00

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SHINODA HI UTSURI 4”-6”
From $60.00 $180.00

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IZUMIYA HIGHER QUALITY SANKE 7"-8”
From $90.00 $270.00

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TANIGUCHI GOLDEN CORN HIGH QUALITY ALL GINRIN 5”-7”
From $150.00 $450.00

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IZUMIYA HIGHER QUALITY SHOWA 7"-8”
From $95.00 $285.00

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SAKAI BLOODLINE KOHAKU 7"-8" BOWL 3
$195.00

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SAKAI BLOODLINE KOHAKU 6"-8" BOWL 4
$195.00

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SAKAI HIGH-QUALITY SILVER FOX 8"-10" *LIMITED STOCK*
From $150.00 $450.00

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KOSHIJI MIX BOWL 7"-9"
From $80.00 $240.00

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OMOSAKO SHIRO UTSURI 10"-11" BOWL 1
$250.00

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SHINODA GINRIN KOHAKU & SHOWA 5"-7"
From $70.00 $210.00

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IZUMIYA MUKASHI 7"-8”
From $70.00 $210.00

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TAMAURA SANKE 5"-7" MANY TANCHO
From $70.00 $210.00

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SAKAI BLOODLINE CHAGOI 5”-7” LIMITED STOCK
From $150.00 $450.00

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SAKAZUME BETTER GRADE MIX 6"-8"
From $60.00 $180.00

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VIEW ALL TOSAI

Why Koi Lovers Choose Us

SHOP BY POPULAR VARIETIES

Kohaku

Sanke

SHOWA

Chagoi

Hi Utsuri

Karashigoi

BEST SELLING PRODUCTS

Nijikawa Growth Koi Food - Floating - GC KOI — Nijikawa Growth Koi Food - Floating
From $100.00

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Periha PB Submersible Water Pump with Variable Speed - GC KOI — Periha PB Submersible Water Pump with Variable Speed
From $179.00

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Kusuri Fluke M - GC Koi Farm — Kusuri Fluke M
From $49.95

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Elbagin (Yellow Powder Pafurazine F) 50g - GC KOI — Elbagin Antibiotics (Yellow Powder Pafurazine F) 50g
$34.95 $39.95

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Koi Sock Nets - GC KOI — Koi Sock Nets
$39.95 $49.95

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Nijikawa Professional Food - Sinking - GC KOI — Nijikawa Professional Food - Sinking
From $165.00

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Ceramic Bacteria House Round Filter Media 154pcs - GC KOI — Ceramic Bacteria House Round Filter Media 154pcs
$159.00 $199.00

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Koi Pond Foldable Quarantine Show Tank
From $349.00 $499.00

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Nijikawa Four Seasons for Cold Weather 15lbs - 5mm Floating - GC KOI — Nijikawa Four Seasons for Cold Weather 15lbs - 5mm Floating
$80.00

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AMAX Submersible Variable Flow AC Water Pump 7925 GPH - GC KOI — AMAX Submersible Variable Flow AC Water Pump 7925 GPH
$295.00 $379.00

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Grech Automatic Solar Pond Fish Feeder - GC KOI — Grech Automatic Solar Pond Fish Feeder
$189.00 $297.00

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Microbe-Lift Broad Spectrum Disease Treatment - GC KOI — Microbe-Lift Broad Spectrum Disease Treatment
From $24.95 $74.95

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Saki-Hikari Growth Diet 33 lbs Medium Pellet - GC KOI — Saki-Hikari Growth Diet 33 lbs Medium Pellet
$331.99 $399.00

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AMAX BAKKI SHOWER 40 - FREE CERAMIC MEDIA
$1,620.00 $1,800.00

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AMAX BAKKI SHOWER LARGE 60 - FREE CERAMIC MEDIA
$1,980.00 $2,200.00

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API Pond Ammonia Test Kit 130 Tests - GC KOI — API Pond Ammonia Test Kit 130 Tests
$19.95 $25.00

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Aqua RDF 20 - GC KOI — Aqua RDF 20
$3,600.00

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Evolution Aqua Cetus Sieve - Pump or Gravity Fed - GC KOI — Evolution Aqua Cetus Sieve - Pump or Gravity Fed
$1,439.99

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Sequence 750 Series Pumps - GC KOI — Sequence 750 Series Pumps
$619.00

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EBD4A - EasyPro 4" Heavy Duty Bottom Drain with Air Diffuser - GC KOI — EBD4A - EasyPro 4" Heavy Duty Bottom Drain with Air Diffuser
$229.00 $249.00

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POND FILTRATION

Evolution Aqua Nexus 220 (4,800 Gal) Filtration Systems - GC KOI — Evolution Aqua Nexus 220 (4,800 Gal) Filtration Systems
$2,339.99 $2,879.00

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FREE DRUM FILTER 20 - 5000 GPH
$3,450.00

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Aqua Shower Eco - GC KOI — Aqua Shower Eco
$3,600.00

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Aqua Bio - GC KOI — Aqua Bio
$3,400.00

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Aqua RDF 50 - GC KOI — Aqua RDF 50
$4,700.00

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Aqua RDF 35 - GC KOI — Aqua RDF 35
$4,200.00

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Aqua Ultraviolet Ultima II 20000, 2" Ports - GC KOI — Aqua Ultraviolet Ultima II 20000, 2" Ports
$3,353.00 $4,790.00

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Aquadyne 1000 Bead Filter - GC KOI — Aquadyne 1000 Bead Filter
$1,599.00 $1,995.00

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Evolution Aqua K+ Advanced Pressure Filter 24000 - GC KOI — Evolution Aqua K+ Advanced Pressure Filter 24000
$3,959.00

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Evolution Aqua K+ Advanced Pressure Filter 14500 - GC KOI — Evolution Aqua K+ Advanced Pressure Filter 14500
$3,239.00 $3,499.00

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Evolution Aqua K+ Advanced Pressure Filter 9600 - GC KOI — Evolution Aqua K+ Advanced Pressure Filter 9600
$2,519.00 $2,799.00

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Evolution Aqua K+ Advanced Pressure Filter 4800 - GC KOI — Evolution Aqua K+ Advanced Pressure Filter 4800
$2,259.00 $2,599.00

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KOI BLOGS

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HOW TO WINTERIZE A POND: FALL POND CARE

When fall arrived and winter is around the corner, there's more than just your home and garden that needs preparing. Your koi pond also beckons for some attention. Just as you would winterize your home's plumbing, a koi pond too needs winter care.

A COMPREHENSIVE GUIDE ON HOW TO QUARANTINE NEW KOI

Are you planning to introduce new koi to your pond? Quarantining your new koi is crucial to ensure the health and safety of your existing koi population. In this blog, we will discuss the importance of quarantine and provide you with a step-by-step guide on how to properly quarantine new koi.

koi fish pond with plants in the background

SPRING PREPARATION FOR KOI POND

After a cold winter, preparing your koi pond for spring is an important step to ensure the health and well-being of your koi fish. Here are some tips to help you get started:

HOW TO TELL IF YOUR KOI ARE MALE OR FEMALE?

Determining the gender of koi can be difficult, especially in younger fish. However, there are a few physical characteristics you can look for to help identify male and female koi:

HOW TO TREAT KOI ULCERS

Koi ulcers can be caused by a variety of factors, including bacterial infections, parasites, or physical injury. If you notice an ulcer on your koi, it's important to treat it promptly to prevent the infection from spreading and causing further damage. Here are the steps to treat koi ulcers:

SHOULD YOU FEED KOI DURING WINTER

Winter can be a challenging time for koi keepers, as the colder water temperatures can slow down the metabolism of the fish, making it more difficult for them to digest their food. To ensure that your koi remain healthy and active during the winter months, it is important to follow a few key guidelines when it comes to feeding.

MARUDO JUMBO TOSAI WITH CERTIFICATE

MOMOTARO "NEW TYPE"

Why Koi Lovers Choose Us