Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

Champion Nishikigoi

Products

Products

Champion Nishikigoi

API Pond AlgaeFix

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$19.99

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Quantity

1

You might also like

Alita diaphragm replacement kit parts, black casings, diaphragms, and white filter pad

Champion Nishikigoi

Alita Diaphragm Replacement Kit

No Niche skimmer set, two black canister housings with a mesh strainer basket

Champion Nishikigoi

No Niche Skimmer

Aqua UV Classic replacement transformer, black inline unit with blue Aqua Ultraviolet label and coiled cord

Champion Nishikigoi

Aqua UV Classic Replacement Transformer - 8W to 57W

Multiple bags of Saki-Hikari Multi Season wheat-germ koi food with medium or large pellets—premium Hikari koi food for year-round color and growth.

Champion Nishikigoi

Saki-Hikari Multi Season Koi Food: Premium Wheat-Germ Diet for Show-Quality Growth & Color

Sequence 750 external pond pump, black Marathon motor with gray pump housing

Champion Nishikigoi

Sequence 750 Water Pump

Matala 224 mm flex membrane air diffuser, black disc base producing a dense bubble column

Champion Nishikigoi

Matala Flex Membrane Air Diffuser – 224 mm (BHB-MD225)

API Melafix Pond 473ml

Aquarium Haven & Brisbane Discus

API Melafix Pond 473ml

Microbe-Lift Concentrated Barley Straw Extract in a 16 oz clear dosing bottle, shown against straw

Champion Nishikigoi

Microbe-Lift Pond Concentrated Extract Barley Straw

Nexus EAZY 320+

Aqua Group

Nexus EAZY 320+

White jar of Aqua Meds Organic Control with rainbow koi artwork on the label

Champion Nishikigoi

Organic Control by Aqua Meds

GC Koi Farm

4.7

(374)

Elbagin (Yellow Powder Pafurazine F) 50g - GC KOI

Elbagin (Yellow Powder Pafurazine F) 50g - GC KOI

Koi Sock Nets - GC KOI

AMAX Submersible Variable Flow AC Water Pump 7925 GPH - GC KOI

Kusuri Fluke M - GC Koi Farm

API Aqua Essential Pond 946ml

Your Online Pet Store

API Aqua Essential Pond 946ml

Lineup of Aqua UV Ultima II bead filters in a range of sizes, gray tanks with top mounted valves

Champion Nishikigoi

Aqua UV Ultima II Filter - 1 1/2 inch outlets

Aqua Master Color Enhancer koi fish food 2.2 lb small pellets summer formula spirulina 40% protein

Champion Nishikigoi

Aqua Master Color Enhancer Koi Food: Summer Formula, 40% Protein with Spirulina

Champion Nishikigoi

Alita Air Manifold Valves – 6, 8 or 12 Way

Microbe-Lift Super Start Bead Filter Bacteria in an amber bottle with label showing bead filters

Champion Nishikigoi

Microbe-Lift Super Start Bead Filter Bacteria

API Pondcare Microbial Algae Clean 473ml - Pond Health & Water Treatments

Kiwi Petz

API Pondcare Microbial Algae Clean 473ml

(1)

Champion Nishikigoi

Lasco PVC TEE 1 1/2 inch

Large 11-lb Aqua Master Wheat Germ koi food bag for winter diets

Champion Nishikigoi

Aqua Master Wheat Germ Koi Fish Food: Easy-Digest Winter Formula

(1)

Aqua Meds Armor slime coat protector, gallon jug and 32 oz bottle with blue koi artwork labels

Champion Nishikigoi

Armor by Aqua Meds

Play It Koi

Play It Koi

4.7

(243)

Aquatic Plant (Ceratophyllum demersum) — Aquarium Environment | Generated by Modelize

Aquatic Plant (Ceratophyllum demersum) — Aquarium Environment | Generated by Modelize

Iris Versicolor - Blue Flag Iris (Bare Root) - Play It Koi

PondMAX Pressurized Filter Replacement Parts - Play It Koi

Pontederia Cordata - Pickerel Rush (Bare Root) - Play It Koi

Aqua Flow leaf trap with black canister body and clear screw-on lid

Champion Nishikigoi

Aqua Flow Leaf Trap

Kusuri FMC Pre-Mix

Aqua Group

Kusuri FMC Pre-Mix

(1)

Evolution Aqua Tempest Filter

Aqua Group

Evolution Aqua Tempest Filter

Champion Nishikigoi

Aqua UV Nema Transformer

Diagram of a PVC union fitting with male threaded end and slip socket end

Champion Nishikigoi

PVC Union (Male thread x Slip)

Ponds R Us

API Pond Aqua Essential

Sequence Primer Alpha self-priming water pump, black housing with strainer basket lid

Champion Nishikigoi

Sequence Primer Alpha - Self Priming Water Pump

Vetark Fluke Solve - Aqua Group

Aqua Group

Vetark Fluke Solve

Champion Nishikigoi

Aqua Meds FlukeGuard

House of Koi

Saki-Hikari Balance Floating Medium Pellet

Saki-Hikari Balance Floating Medium Pellet

Saki-Hikari Growth

Hikari Staple Floating Medium Pellet

Hikari Gold Floating Medium Pellet koi food

Petstop

API Prevent Algae

1-gallon bottle of Microbe-Lift PL beneficial bacteria for ponds

Champion Nishikigoi

Beneficial Bacteria for Ponds: Microbe-Lift PL Water Clarifier & Balancer

(1)

Saki-Hikari Medium Pellets koi fish food 2 kg bag

Champion Nishikigoi

Saki-Hikari Color-Enhancing Koi Food: Medium & Large Pellets

(1)

Aqua Meds Summer Blend in two sizes, white bottle and pump-top jug of teal liquid

Champion Nishikigoi

Summer Blend by Aqua Meds

Diagram of an Aqua UV sterilizer end housing with an arrow pointing to the quartz sleeve tip

Champion Nishikigoi

Aqua UV Classic Quartz Sleeve with Rubber Seal - 8W to 57W

Japanese filter mat, blue and green tangled filament media shown in a labeled close-up

Champion Nishikigoi

Japanese Filter Mat

Kusuri Dechlorinator

Aqua Group

Kusuri Dechlorinator

White Lasco PVC 45 degree elbow fitting, 1 1/2 inch, angled slip socket connections

Champion Nishikigoi

Lasco PVC 45 Degree Elbow 1 1/2"

Three white jars of Aqua Meds Sludge Remover triple strength dry concentrate

Champion Nishikigoi

Aqua Meds Sludge Remover Triple Strength Bulk, 1lb, 2lb and 4lb

32 oz ProForm C koi fish diseases and parasites treatment bottle

Champion Nishikigoi

ProForm-C: Broad Spectrum Disease Treatment for Koi Diseases, Parasites & Fungal Infections, 32 oz & 1 Gallon

API Prevent Algae Phosphate Remover

Aquacadabra

API Prevent Algae Phosphate Remover

(1)

Aqua Meds Aqua MedZyme liquid in three sizes, pump-top jug and two white bottles

Champion Nishikigoi

Aqua Meds Aqua MedZyme LIQUID

Evolution Aqua evoUV+ Titanium - Aqua Group

Aqua Group

Evolution Aqua evoUV+ Titanium

Bottle of Nox-Ich ich medication with red drop graphic on the white label

Champion Nishikigoi

Nox-Ich Medication

Round disc air stone with blue-gray porous surface, black rim, and barbed air inlet

Champion Nishikigoi

Air Stone Round Disc – 5" & 8"

We Know Water Gardens

API Pond Simply Clear 480ml

The curated dining table

The curated dining table

Dinnerware, glasses, and flatware.

5 kg bag of Sea Side Aquatics koi fish food medium pellets

Champion Nishikigoi

Sea Side Aquatics All-Season Koi Food: Medium & Large Pellets

Three gray cylinder air stones in 5, 8.5 and 12 inch lengths laid out on a tile floor

Champion Nishikigoi

Air Stone Cylinder – 5", 8" & 12"

api-pondcare-ecofix-16-oz

KensFish.com

API PondCare EcoFix

Matala 2 way heavy duty air manifold, gray aluminum body with two blue valves and brass hose barbs

Champion Nishikigoi

Matala Heavy Duty Air Manifold 2 Way

Kusuri Klay

Aqua Group

Kusuri Klay

Aqua Meds KoiRx Terminate 32 oz white bottle with green label and white koi illustration

Champion Nishikigoi

Aqua Meds KoiRX Terminate by AquaMeds

Gallon jug of Pond Prime water conditioner by Oasis, label showing a koi, photographed on stone

Champion Nishikigoi

Pond Prime Conditioner

Champion Nishikigoi

Sphere Air Stone – 1.5" & 2" Round Ball in Grey and Blue

API Melafix Pond Care 473ml

Your Online Pet Store

API Melafix Pond Care 473ml

Blue pouch of Aqua Meds Aqua MedZyme DC dry concentrate, 1 lb, with koi label art

Champion Nishikigoi

Aqua Meds Aqua MedZyme Dry Concentrate 1 lb.

API Freshwater Master Test Kit in a clear carrying case with blue lid, tests pH, ammonia, nitrite and nitrate

Champion Nishikigoi

API Freshwater Master Test Kit: pH, High Range pH, Ammonia (NH3), Nitrite (NO2) & Nitrate (NO3)

22% off

Koi & More Pond Shop

API Pond AlgaeFix

Aqua UV Classic replacement UV-C lamp with blue end caps, shown in its packaging

Champion Nishikigoi

Aqua UV Classic Replacement UV Lamp - 8W to 57W

pondcare sludge remover pond care api eco fix ecofix 317163021477 147B 16 oz ounces

Blue Fish Aquarium

API Pond EcoFix Sludge Destroyer

18 W pond uv light model UV-B18W, 14.5-inch hanging tube

Champion Nishikigoi

Periha UV Light for Pond: Leak-Proof Hanging Clarifier 18 W / 36 W / 54 W

Colombo Alparex

Aqua Group

Colombo Alparex

Alita AL linear air pump, cream housing with black power cord and barb fittings

Champion Nishikigoi

Alita AL Air Pump

Ponds R Us

API Pond Care Melafix 473ml

Aqua Meds Arctic Blend winter pond care, jug of blue liquid with white pump dispenser

Champion Nishikigoi

Aqua Meds Arctic Blend Winter Pond Care

Bar cart basics

Bar cart basics

Carts, glassware, and bottle storage.

Lineup of Aqua UV Ultima II bead filters with top mounted multiport valves, 2 inch outlet models

Champion Nishikigoi

Aqua UV Ultima II Filter - 2 inch outlets

Gallon jug of Aquarium Solutions Ultimate full-function water conditioner with fish artwork label

Champion Nishikigoi

Aquarium Solutions & Pond Solutions Ultimate

Aqua UV white 4-hole lamp end connector, part A40002

Champion Nishikigoi

Aqua UV 4-Hole Lamp End Connector (A40002)

Bob & Ben The Pet Supplies Men

API: Pond Ecofix Sludge Destroyer - 473ml

Hayward SP1408 inlet outlet fitting with black gasket, white face plate ring, and four screws

Champion Nishikigoi

CYC Inlet / Outlet FTG - Hayward SP1408

Matala 4 way heavy duty air manifold, gray aluminum body with four blue valves and brass hose barbs

Champion Nishikigoi

Matala Heavy Duty Air Manifold 4 Way

Practical Garden Ponds

API® Pond AlgaeFix® Algae Control

Hakko diaphragm replacement kit parts, black casings, diaphragms, and white filter pad

Champion Nishikigoi

Hakko Diaphragm Replacement Kit

White Lasco PVC reducing bushing, 2 x 1 1/2 inch, with hex flange end

Champion Nishikigoi

Lasco PVC Reducing Bushing 2 x 1 1/2 inch

Hakko air pump with gray housing, black vented cover, and round top dial

Champion Nishikigoi

Hakko Air Pump

Sequence 1000 external pond pump with black Marathon motor and gray volute, angled left view

Champion Nishikigoi

Sequence 1000 Water Pump

PondMax EV series skimmer and water feature pump

Champion Nishikigoi

PondMax EV Series Skimmer & Water Feature Pump – 700 to 3,600 GPH

Causeway Koi

API Ecofix Sludge Destroyer, 473ml

Sequence 4000 external pond pump, black motor and gray volute with threaded inlet and outlet

Champion Nishikigoi

Sequence 4000 Water Pump

Vetark Fluke Ex - Aqua Group

Aqua Group

Vetark Fluke Ex

Champion Nishikigoi

AQUA-PRAZI by Aqua Meds

Valterra clear PVC swing check valve, transparent body showing the internal flapper

Champion Nishikigoi

Valterra Clear PVC Swing check valves

API Aqua Essential Pond 3.8L

Your Online Pet Store

API Aqua Essential Pond 3.8L

Roll of Firestone PondGard 45 mil black EPDM rubber pond liner, partially unrolled

Champion Nishikigoi

Firestone PondGard 45 mil EPDM Pond Liner

Sculptural lamps under $150

Sculptural lamps under $150

Mushroom lamps, orb bases, and pleated cones.

Matala GeyserMax-Flow submersible pond pump with stainless body, shown on its box art over a koi pond

Champion Nishikigoi

Matala Geyser Max Flow Water Pump

API Pond Algaefix, API, Water Conditioner, Pet Essentials Warehouse.

12% off

Pet Essentials Warehouse

API Pond Algaefix

(1)

NZ$29.00NZ$32.99

EPA-registered for proven, effective algae control
Copper-free formula protects sensitive fish, plants, and wildlife
Controls multiple algae types including green water, blanketweed, and string algae
Fast-acting solution for quick algae reduction and maintenance
Easy application for ponds, koi ponds, and fountains

Summarized by Shop

Pond Care AlgaeFix is a liquid algae-control product for use in ornamental fish ponds and water gardens containing live plants and fish. Pond Care AlgaeFix controls many types of algae including "green water" blooms and filamentous algae.

Can be used in ponds containing live plants and fish.
Effectively controls "green water" algae bl

Formulation: Liquid
Active Ingredients: Chlorella, Copper-Free
EPA Registration: Yes
Suitable for Water Type: Freshwater and both
Treatment Volume: 1.89 L (64 oz) and 473 ml (16 oz)
Dosage: 1 teaspoon per 50 gallons or 1/4 cup per 600 gallons

Summarized by Shop

Returns accepted within 14 days

Exclusions may apply. See full policy

Champion Nishikigoi

Champion Nishikigoi

Champion Nishikigoi

4.9 (99)