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Koi Pond Supplies

Pond liners, aerators, pumps, filters, water treatments and netting sized for koi ponds. Koi produce a lot of waste, so choose filtration rated well above the pond volume.

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eSeasonGear SALT-3000 meter display shows salinity in ppm for saltwater pools.

eSeasonGear

eSeasonGear SALT-3000 Meter – Digital Salinity PPM & Temperature Tester for Salt Water Pool & Koi Pond

$29.02

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Judkoir automatic pool filler with clear visual scale for precise level at a glance.

Judkoir

Judkoir Automatic Pool Filler – Visual Level 2–9 in, Anti-Corrosion Metal

$124.91

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Judkoir battery-powered sprayer with retractable wand for precise plant coverage

Judkoir

Judkoir Battery-Powered Sprayer 1.35 Gal — USB Rechargeable, Retractable Wand

$83.81

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Aifeorzo Solar Koi Fountain blue glaze close-up for serene outdoor ambiance.

Aifeorzo

Aifeorzo Solar Koi Fountain - 11 Inch Ceramic Blue Glaze, Outdoor Water Feature

$67.37

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Aquascape Maintain bottle with pump-top enables easy dosing for pond treatment.

Aquascape

Aquascape Maintain Water Treatment for Ponds | Easy Pump-Top Dosing, 1 gal (3.78 L) | Safe for Koi & Plants

$100.25

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Microbe-Lift BSDTG1 broad-spectrum pond treatment image; supports koi and goldfish health.

MICROBE-LIFT

Microbe-Lift BSDTG1 Broad Spectrum Pond Disease Treatment – Safe for Koi, Goldfish, Plants | 1 Gallon

$83.83

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VIVOHOME bio pressure pond filter unit for outdoor pond filtration.

VIVOHOME

VIVOHOME Bio Pressure Pond Filter with 13W Light — 2630 GPH for Koi Ponds and Ornamental Ponds

$261.89

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KOIOYA Dimension One spa filter closeup showing filtration efficiency for clearer water

KOIOYA

KOIOYA Dimension One Spa Filter for Vision Hot Tub – Clean Water & Enhanced Comfort

$79.70

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DUHKOI extended wagon interior shows 500lb capacity for groceries and gear.

DUHKOI

DUHKOI 49-Inch Collapsible Wagon – 500lb Capacity, All-Terrain Wheels

$159.03

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AquaMiracle all-in-one pond aerator kit in use for steady oxygenation.

AquaMiracle

AquaMiracle All-in-One Koi Pond Aerator for Ponds Up to 2000 Gallons – Quiet, Durable Air Pump

$83.81

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Aquamiracle all-in-one pond filter with three spray patterns for vibrant water displays.

AquaMiracle

AquaMiracle All-in-One Koi Pond Filter & Fountain Kit — 200-350 Gal Ponds, 400GPH

$83.81

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Tezhile pond liner 13x17ft laid flat for koi ponds and water gardens

Tezhile

Tezhile TezhiIe Pond Liner 13x17 ft | 20 Mil LDPE Outdoor Pond Liner for Koi Ponds & Water Gardens

$83.81

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Devopet pond aerator kit overview for koi ponds, all-in-one aeration solution.

Devopet

Devopet Pond Aerators — All-in-One Kit for Outdoor Koi Ponds (Up to 1800 Gallons)

$74.22

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Sinimaka pond liner 16x20ft laid flat for easy setup and secure containment.

Sinimaka

Sinimaka Pond Liner 16 x 20 Ft – HDPE Durable Outdoor Liner for Koi & Water Gardens

$79.70

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Adroiteet pond liner 14x14 application demonstrates durable HDPE protection for outdoor ponds.

Adroiteet

Adroiteet 14x14 ft Pond Liner - 20 Mil HDPE for Outdoor Ponds, Koi & Waterfalls

$78.33

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Adroiteet pond liner 20mil thick for durable outdoor pond installations

Adroiteet

Adroiteet 10 x 15 FT Pond Liner - 20 Mil HDPE for Outdoor Ponds, Fountains & Koi Ponds

$60.52

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Aquatic Experts Classic koi pond filter pad coarse roll in black for clear water.

Aquatic Experts

Aquatic Experts Classic koi pond filter pad coarse roll - 18x36 in, Black

$63.26

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Microbe-Lift barley straw extract bottle shown for natural pond conditioning and koi safety.

MICROBE-LIFT

Microbe-Lift Concentrated Barley Straw Extract Conditioner for Ponds – 1 Gallon, Safe for Koi, Plants & Decorations

$65.74

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Aquatic Experts Classic koi pond filter pad fine white bulk roll enhances filtration and oxygenation.

Aquatic Experts

Classic Koi Pond Filter Pad FINE - White Bulk Roll 1in Thick, Reusable Media | Aquatic Experts (USA)

$70.11

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Aquatic Experts classic koi pond filter pad in a 12x72 roll for clear water

Aquatic Experts

Aquatic Experts Classic Koi Pond Filter Pad Coarse 12x72 Bulk Roll – Latex-Coated Filter Media for Ponds

$70.11

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Aquatic Experts classic koi pond filter pad fine white 18x36 enhances mechanical filtration

Aquatic Experts

Aquatic Experts Classic Koi Pond Filter Pad FINE White 18x36 – Bulk Roll Filter Media, USA

$63.26

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Koral Filters media roll cut-to-fit for koi ponds and aquariums.

Koral Filters

Koral Filters Koi Pond & Aquarium Filter Media Roll – Cut-to-Fit, Durable, USA-Made (6 ft)

$48.09

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Crystal Blue pond cleaner bottle front view supports clearer water for koi ponds

Crystal Blue

Crystal Blue Natural Pond Cleaner - Muck & Sludge Remover for Koi Ponds | 1 Gallon

$53.67

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Aquascape pond net extendable-handle close-up shows koi-safe design

Aquascape

Aquascape Heavy-Duty Pond Net with Extendable Handle – Safe Koi Handling (36-69in)

$84.03

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Prosplash pond filter-pump-fountain in dark blue enhances clarity and visual interest

ProSplash

ProSplash 2026 Patented Pond Filter with Pump & Fountain Lights – 2-in-1 Pond Filter Kit for Koi Ponds, Auto Water Sensor, 16ft Hose (Dark Blue)

$69.91

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CrystalClear ParaSalt packaging showing 20 lb bag for safe pond maintenance

CrystalClear

CrystalClear ParaSalt Outdoor Pond & Water Garden Rock Salt Crystals – Parasite Control, Stress Support & Safe for Koi, Plants & Pets, 20 lbs

$56.41

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Fresh Pond Koi Pond Water Treatment bottle close-up showing probiotic pond formula

Fresh Pond

Fresh Pond Koi Pond Water Treatment – 2X Strength for Clear Water & Sludge Reduction | 1 gal

$34.47

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Wosuine koi fish statue pair for elegant outdoor garden decor

Wosuine

Wosuine Antique Copper Koi Garden Statues – Set of 2 for Outdoor Decor

$83.81

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AquaMiracle All-in-One Koi Pond Aerator front view boosts oxygen for koi health

AquaMiracle

AquaMiracle All-in-One Koi Pond Aerator Kit for Outdoor Ponds up to 1000 Gallons

$56.41

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VKEVOC

VKEVOC Set of 2 Antique Koi Fish Statues – Outdoor Garden Decor for Patio, Backyard, and Pond

$53.56

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Tooyuart bronze koi fish garden sculpture set of 2 shown outdoors.

Tooyuart

Tooyuart Bronze Koi Fish Garden Sculptures – Set of 2 Outdoor Decor

$70.11

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AquaMiracle all-in-one aerator kit for up to 1000 gallons, complete pond aeration setup

AquaMiracle

AquaMiracle All-in-One Koi Pond Aerator – Up to 1000 Gallons | Quiet, Efficient Kit

$56.41

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Microbe-Lift BSDT32 bottle pour for pond treatment and dosing

MICROBE-LIFT

MICROBE-LIFT BSDT32 Broad Spectrum Pond Disease Treatment – Safe for Koi, Goldfish, Plants, Decor | 32 fl oz

$52.15

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BioSafe GreenClean granular algaecide 8lb bucket for koi ponds, safe for fish; treats up to 16,000 gallons.

BioSafe Systems

BioSafe Systems 3002-8 GreenClean Granular Algaecide – On-Contact Algae Control for Koi Ponds & Water Features, 8 lbs, EPA Registered

$67.44

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Pondworx Pond Bacteria bottle pouring into a large pond to boost clarity.

Pond Worx

Pondworx Pond Bacteria - Large Ponds & Water Features, Safe for Koi - 1 Gallon

$42.72

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CrystalClear Algae D-Solv bottle being poured to treat pond algae

CrystalClear

CrystalClear Algae D-Solv Pond Algaecide – Fast-Acting, EPA Registered, Koi Safe, Treats 11,520 Gallons (32 oz)

$41.33

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AlpineReach Koi Pond Netting Kit covers a 15x20 ft pond to guard koi from predators.

AlpineReach

AlpineReach Koi Pond Netting Kit 15 x 20 ft — Heavy Duty Black Mesh for Predator Protection

$39.98

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AlpineReach koi pond netting kit 14x14 protects koi from predators.

AlpineReach

AlpineReach Koi Pond Netting Kit 14x14 ft – Heavy Duty Mesh, Predator Protection, Stakes Included

$35.87

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UWIOFF pond liner 10x13ft laid flat for quick pond setup

UWIOFF

UWIOFF 10x13 ft Pond Liner | 20 Mil HDPE for Koi Ponds, Streams, Fountains & Waterfalls

$45.46

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LUOYKOIFY ADT-style yard sign with stake deters intruders.

LUOYKOIFY

LUOYKOIFY ADT Style Security Sign – 2Pcs Yard Signs with Stakes + 10 Window Stickers for Outdoor Use

$39.43

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Pond liners, aerators, pumps, filters, water treatments and netting sized for koi ponds. Koi produce a lot of waste, so choose filtration rated well above the pond volume.

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