API Fish Supplies

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    API Stress Coat Aquarium Water Conditioner, 16-oz bottle

    Rated 4.8015 out of 5 stars
    131
    $10.48Chewy Price
    $14.78List Price
    $9.96Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

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    API Tap Water Conditioner, 16-oz bottle

    Rated 4.8136 out of 5 stars
    59
    $7.98Chewy Price
    $11.28List Price
    $7.58Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

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    API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 4-oz bottle

    Rated 4.8824 out of 5 stars
    51
    $5.78Chewy Price
    $8.28List Price
    $5.49Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

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    API Quick Start Freshwater & Saltwater Aquarium Water Treatment, 16-oz bottle

    Rated 4.3103 out of 5 stars
    29
    $16.98Chewy Price
    $23.78List Price
    $16.13Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

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    API General Cure Freshwater & Saltwater Aquarium Parasitic Fish Disease Treatment, 10 count

    Rated 3.8077 out of 5 stars
    26
    $14.89Chewy Price
    $22.48List Price
    $14.15Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

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    API Accu-Clear Freshwater Aquarium Clarifier, 4-oz bottle

    Rated 4.0645 out of 5 stars
    62
    $5.48Chewy Price
    $7.78List Price
    $5.21Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

    API Freshwater Aquarium Master Test Kit, 800 count

    Rated 4.6 out of 5 stars
    145
    $35.98Chewy Price
    $50.48List Price
    $34.18Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

    API Betta Flakes Fish Food, 0.36-oz bottle

    Rated 1 out of 5 stars
    1
    $4.98Chewy Price
    $4.73Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

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    API Tropical Greens Flakes Algae & Plant Eating Fish Food, 1.1-oz bottle

    Rated 4.3333 out of 5 stars
    6
    $7.98Chewy Price
    $8.28List Price
    $7.58Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

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    API Aqua Essential Aquarium Treatment, 16-oz bottle

    $15.45Chewy Price
    $21.78List Price
    $14.68Autoship Price

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    API Nitra-Zorb Aquarium Canister Filter Filtration Pouch, Size 6

    Rated 4.3684 out of 5 stars
    19
    $16.98Chewy Price
    $23.98List Price
    $16.13Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

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    API Algaefix Algae Control Aquarium Solution, 16-oz bottle

    Rated 3.8154 out of 5 stars
    65
    $16.99Chewy Price
    $23.78List Price
    $16.14Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

    API Pond & Waterfall Cleaner Pond Cleaner

    Rated 3 out of 5 stars
    2
    $34.96Chewy Price
    $37.98List Price
    $33.21Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

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    API Freshwater Aquarium Salt, 65-oz carton

    Rated 4.8571 out of 5 stars
    56
    $8.48Chewy Price
    $16.78List Price
    $8.06Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

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    API Phos-Zorb Aquarium Canister Filter Filtration Pouch, Size 6

    Rated 2.3333 out of 5 stars
    3
    $10.98Chewy Price
    $15.48List Price
    $10.43Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

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    API Pond Melafix for Bacterial Infections in Fish, 16-oz bottle

    Rated 4.5 out of 5 stars
    14
    $15.98Chewy Price
    $22.28List Price
    $15.18Autoship Price

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    API Super Activated Carbon Aquarium Canister Filter Filtration Pouch, Size 6

    Rated 5 out of 5 stars
    1
    $8.48Chewy Price
    $11.98List Price
    $8.06Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

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    API Pond Starter Bundle, 3 count

    $84.58Chewy Price
    $93.98List Price
    $80.35Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping on this item

    API Aquarium Starter Kit

    Rated 5 out of 5 stars
    1
    $37.87Chewy Price
    $41.98List Price
    $35.98Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

    API Goldfish Care Pack Aquarium Water Conditioner, 1.25-oz bottle

    Rated 4 out of 5 stars
    2
    $5.98Chewy Price
    $5.68Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

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    API Algae Eater Wafers Fish Food, 1.3-oz bottle

    Rated 4.5938 out of 5 stars
    32
    $4.98Chewy Price
    $4.73Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

    API Marine Quick Start Aquarium Water Conditioner, 16-oz bottle

    $19.98Chewy Price
    $27.98List Price
    $18.98Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

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    API Pimafix Freshwater & Saltwater Fish Fungal Infection Remedy, 16-oz bottle

    Rated 4.0769 out of 5 stars
    26
    $11.78Chewy Price
    $16.48List Price
    $11.19Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

    API Betta Aquarium Water Conditioner, 1.7-oz bottle

    Rated 4.1 out of 5 stars
    10
    $3.98Chewy Price
    $5.78List Price
    $3.78Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

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    API Pond Stress Coat Water Conditioner, 1-gal bottle

    Rated 5 out of 5 stars
    21
    $73.98Chewy Price
    $103.48List Price
    $70.28Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping on this item

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    API Proper pH 7.0 Aquarium Water Treatment, 8.8-oz bottle

    Rated 3.6111 out of 5 stars
    18
    $10.98Chewy Price
    $15.48List Price
    $10.43Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

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    API Pond-Zyme Sludge Destroyer Pond Sludge Remover, 16-oz bottle

    Rated 4.0588 out of 5 stars
    17
    $31.98Chewy Price
    $44.98List Price
    $30.38Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

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    API Marine Optimal Protein Flakes Fish Food, 2.1-oz bottle

    $13.28Chewy Price
    $12.62Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

    API Copper Cu+ Freshwater & Saltwater Aquarium Test Kit, 90 count

    Rated 5 out of 5 stars
    2
    $14.69Chewy Price
    $17.48List Price
    $13.96Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

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    API Ammo-Lock Freshwater & Saltwater Aquarium Ammonia Detoxifier, 16-oz bottle

    Rated 3.4615 out of 5 stars
    13
    $12.48Chewy Price
    $17.48List Price
    $11.86Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

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    API pH Up Freshwater Aquarium Water Treatment, 16-oz bottle

    Rated 4.75 out of 5 stars
    8
    $15.54Chewy Price
    $19.48List Price
    $14.76Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

    Deal

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    API Bio-Chem Zorb Aquarium Canister Filter Filtration Pouch, Size 6

    Rated 5 out of 5 stars
    5
    $13.98Chewy Price
    $19.48List Price
    $13.28Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

    API pH Freshwater & Saltwater Aquarium Test Strips, 25 count

    Rated 5 out of 5 stars
    1
    $15.89Chewy Price
    $18.28List Price
    $15.10Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

    Bundle: API Melafix Freshwater Fish Infection Remedy + Stress Coat Aquarium Water Conditioner

    Rated 5 out of 5 stars
    2
    $23.25Chewy Price
    $24.47List Price
    $22.09Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

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    API Melafix Freshwater Fish Infection Remedy, 16-oz bottle

    Rated 4.3226 out of 5 stars
    62
    $13.99Chewy Price
    $19.48List Price
    $13.29Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

    API Bettafix Antibacterial & Antifungal Betta Fish Infection Remedy, 1.7-oz bottle

    Rated 4.1321 out of 5 stars
    53
    $4.49Chewy Price
    $6.28List Price
    $4.27Autoship Price

    New Customers Only: Spend 49+ Get $20 Off

    FREE 1-3 day shipping over $49

    Category

    Water Care(151)
    Tropical Freshwater Shop(148)
    Goldfish Shop(141)
    Betta Fish Shop(127)
    Saltwater Fish Shop(103)
    Pond Shop(76)
    Food & Treats(35)
    Health & Wellness(27)
    Filters & Media(18)
    Cleaners & Pumps(7)
    Décor(1)
    Tanks & Aquarium Kits(1)
    Heaters & Thermometers(1)
    Aquarium Substrates, Gravel & Sand(1)

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