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Subscribe and Save 6% Forever on Future Orders! We are now shipping select products to Canada!

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Water Care

  • API MelaFix Antibacterial Fish Remedy

    API
    Original price $11.45 - Original price $100.35
    Original price $11.45 - Original price $100.35
    Original price $11.45
    $8.18 - $71.68
    $8.18 - $71.68
    Current price $8.18

    About the Product: Aquarium Pharmaceuticals Aquarium MelaFix heals open wounds and abrasions, treats fin and tail rot, eye cloud, mouth fungus, and...

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    Original price $11.45 - Original price $100.35
    Original price $11.45 - Original price $100.35
    Original price $11.45
    $8.18 - $71.68
    $8.18 - $71.68
    Current price $8.18
    Save up to $28.67 Save $0.00
  • API Marine Stress Zyme Bacterial Cleaner

    API
    Original price $34.55
    Original price $34.55 - Original price $34.55
    Original price $34.55
    Current price $24.68
    $24.68 - $24.68
    Current price $24.68

    About the Product: API Marine Stress Zyme Bacterial Cleaner contains millions of live bacteria that consume sludge and organic debris, reducing aqu...

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    Original price $34.55
    Original price $34.55 - Original price $34.55
    Original price $34.55
    Current price $24.68
    $24.68 - $24.68
    Current price $24.68
    Save $9.87 Save $0.00
  • API Marine Quick Start Water Conditioner

    API
    Original price $40.84
    Original price $40.84 - Original price $40.84
    Original price $40.84
    Current price $29.17
    $29.17 - $29.17
    Current price $29.17

    About the Product: API Marine Quick Start Water Conditioner nitrifying bacteria enables you to start your aquarium immediately, allowing for the in...

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    Original price $40.84
    Original price $40.84 - Original price $40.84
    Original price $40.84
    Current price $29.17
    $29.17 - $29.17
    Current price $29.17
    Save $11.67 Save $0.00
  • API Marine MelaFix Antibacterial Fish Remedy

    API
    Original price $30.09
    Original price $30.09 - Original price $30.09
    Original price $30.09
    Current price $21.49
    $21.49 - $21.49
    Current price $21.49

    About the Product: API Marine MelaFix Antibacterial Fish Remedy is a safe, natural fish remedy that should be used to treat bacterial infections in...

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    Original price $30.09
    Original price $30.09 - Original price $30.09
    Original price $30.09
    Current price $21.49
    $21.49 - $21.49
    Current price $21.49
    Save $8.60 Save $0.00
  • API Liquid Super Ick Cure

    API
    Original price $7.39 - Original price $9.77
    Original price $7.39 - Original price $9.77
    Original price $7.39
    $5.28 - $6.98
    $5.28 - $6.98
    Current price $5.28

    About the Product: API Liquid Super Ick Cure is an effective treatment for Ich, a highly contagious disease, also called white spot disease. Super ...

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    Original price $7.39 - Original price $9.77
    Original price $7.39 - Original price $9.77
    Original price $7.39
    $5.28 - $6.98
    $5.28 - $6.98
    Current price $5.28
    Save up to $2.79 Save $0.00
  • API Goldfish Premium Pellet Food

    API
    Original price $16.77
    Original price $16.77 - Original price $16.77
    Original price $16.77
    Current price $11.98
    $11.98 - $11.98
    Current price $11.98

    About the Product: API Goldfish Pellets are made with natural carotenoids, including spirulina and carrot, to bring out brilliant colors in all var...

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    Original price $16.77
    Original price $16.77 - Original price $16.77
    Original price $16.77
    Current price $11.98
    $11.98 - $11.98
    Current price $11.98
    Sold out
  • API Furan-2 Powder Anti-Bacterial Fish Medication

    API
    Original price $16.79 - Original price $248.21
    Original price $16.79 - Original price $248.21
    Original price $16.79
    $11.99 - $177.29
    $11.99 - $177.29
    Current price $11.99

    About the Product: API Furan-2 contains two furan compounds to combat a wide variety of gram-positive and gram-negative bacterial diseases, includi...

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    Original price $16.79 - Original price $248.21
    Original price $16.79 - Original price $248.21
    Original price $16.79
    $11.99 - $177.29
    $11.99 - $177.29
    Current price $11.99
    Sold out
  • API Fungus Cure Powder

    API
    Original price $13.71
    Original price $13.71 - Original price $13.71
    Original price $13.71
    Current price $9.79
    $9.79 - $9.79
    Current price $9.79

    About the Product: Effectively treats fungus (Saprolegnia spp. and Achlya spp.), mouth fungus (Cotton Mouth Disease), Body Slime and Eye cloud and ...

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    Original price $13.71
    Original price $13.71 - Original price $13.71
    Original price $13.71
    Current price $9.79
    $9.79 - $9.79
    Current price $9.79
    Sold out
  • API Freshwater Hardness GH & KH Test Kit

    API
    Original price $16.77
    Original price $16.77 - Original price $16.77
    Original price $16.77
    Current price $11.98
    $11.98 - $11.98
    Current price $11.98

    About the Product: The API Freshwater Hardness GH and KH Test Kit tests tap water and freshwater aquariums for general hardness (GH) and carbonate ...

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    Original price $16.77
    Original price $16.77 - Original price $16.77
    Original price $16.77
    Current price $11.98
    $11.98 - $11.98
    Current price $11.98
    Save $4.79 Save $0.00
  • API Fin & Body Cure

    API
    Original price $22.93
    Original price $22.93 - Original price $22.93
    Original price $22.93
    Current price $16.38
    $16.38 - $16.38
    Current price $16.38

    About the Product: API Fin and Body Cure is a highly effective treatment for internal and external bacterial disease in fish, including fin and tai...

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    Original price $22.93
    Original price $22.93 - Original price $22.93
    Original price $22.93
    Current price $16.38
    $16.38 - $16.38
    Current price $16.38
    Sold out
  • API E.M. Erythromycin Powder

    API
    Original price $25.03 - Original price $315.67
    Original price $25.03 - Original price $315.67
    Original price $25.03
    $17.88 - $225.48
    $17.88 - $225.48
    Current price $17.88

    About the Product: API E.M. Erythromycin Powder treats a broad range of bacterial fish infections including hemorrhagic septicemia, fin and tail ro...

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    Original price $25.03 - Original price $315.67
    Original price $25.03 - Original price $315.67
    Original price $25.03
    $17.88 - $225.48
    $17.88 - $225.48
    Current price $17.88
    Save up to $90.19 Save $0.00
  • API CO2 Booster

    API
    Original price $29.49
    Original price $29.49 - Original price $29.49
    Original price $29.49
    Current price $21.06
    $21.06 - $21.06
    Current price $21.06

    About the Product: API CO2 Booster contains a unique organic carbon compound that helps provide plants with the essential carbon. This easy to use ...

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    Original price $29.49
    Original price $29.49 - Original price $29.49
    Original price $29.49
    Current price $21.06
    $21.06 - $21.06
    Current price $21.06
    Save $8.43 Save $0.00
  • API Carbonate Test Kit - Fresh & Saltwater

    API
    Original price $12.57
    Original price $12.57 - Original price $12.57
    Original price $12.57
    Current price $8.98
    $8.98 - $8.98
    Current price $8.98

    About the Product: Aquarium Pharmaceuticals Fresh/Salt Water Carbonate Test Kit measures carbonate hardness, the measure of carbonate and bicarbona...

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    Original price $12.57
    Original price $12.57 - Original price $12.57
    Original price $12.57
    Current price $8.98
    $8.98 - $8.98
    Current price $8.98
    Save $3.59 Save $0.00
  • API Betta Water

    API
    Original price $23.58
    Original price $23.58 - Original price $23.58
    Original price $23.58
    Current price $16.85
    $16.85 - $16.85
    Current price $16.85

    About the Product Fill your Betta aquarium or bowl with API Betta Water and add your fish instantly. API Betta Water for freshwater aquariums is pr...

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    Original price $23.58
    Original price $23.58 - Original price $23.58
    Original price $23.58
    Current price $16.85
    $16.85 - $16.85
    Current price $16.85
    Save $6.73 Save $0.00
  • API Aquarium Start Up Pack

    API
    Original price $8.09
    Original price $8.09 - Original price $8.09
    Original price $8.09
    Current price $5.78
    $5.78 - $5.78
    Current price $5.78

    About the Product: API Aquarium Start Up Pack provides a perfect combination of products to start your new aquarium off the right way. The Stress C...

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    Original price $8.09
    Original price $8.09 - Original price $8.09
    Original price $8.09
    Current price $5.78
    $5.78 - $5.78
    Current price $5.78
    Save $2.31 Save $0.00
  • API Aquarium Salt

    API
    Original price $20.19 - Original price $32.15
    Original price $20.19 - Original price $32.15
    Original price $20.19
    $14.42 - $22.97
    $14.42 - $22.97
    Current price $14.42

    About the Product: Aquarium Pharmaceuticals Aquarium Salt is an all-natural salt, made from evaporated seawater, promotes healthy gill function, re...

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    Original price $20.19 - Original price $32.15
    Original price $20.19 - Original price $32.15
    Original price $20.19
    $14.42 - $22.97
    $14.42 - $22.97
    Current price $14.42
    Save up to $9.18 Save $0.00
  • API Aquarium Accu-Clear

    API
    Original price $4.87 - Original price $14.84
    Original price $4.87 - Original price $14.84
    Original price $4.87
    $3.48 - $10.60
    $3.48 - $10.60
    Current price $3.48

    About the Product: API Accu-Clear quickly clears cloudy aquarium water, eliminating clouds caused by dirt, algae, or bacterial bloom. Accu-Clear cl...

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    Original price $4.87 - Original price $14.84
    Original price $4.87 - Original price $14.84
    Original price $4.87
    $3.48 - $10.60
    $3.48 - $10.60
    Current price $3.48
    Save up to $4.24 Save $0.00
  • API Ammonia Test Strips

    API
    Original price $23.77
    Original price $23.77 - Original price $23.77
    Original price $23.77
    Current price $16.98
    $16.98 - $16.98
    Current price $16.98

    About the Product: Aquarium Pharmaceutical's Aquarium Ammonia Test Strips. Test the ammonia levels in your aquarium for optimal health! Testing you...

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    Original price $23.77
    Original price $23.77 - Original price $23.77
    Original price $23.77
    Current price $16.98
    $16.98 - $16.98
    Current price $16.98
    Save $6.79 Save $0.00
  • API Ammonia Test Kit Fresh & Salt Water

    API
    Original price $21.67
    Original price $21.67 - Original price $21.67
    Original price $21.67
    Current price $15.48
    $15.48 - $15.48
    Current price $15.48

    About the Product: The API Ammonia Test Kit measures ammonia levels in both fresh and saltwater aquariums. Ammonia, the number one killer of tropic...

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    Original price $21.67
    Original price $21.67 - Original price $21.67
    Original price $21.67
    Current price $15.48
    $15.48 - $15.48
    Current price $15.48
    Save $6.19 Save $0.00
  • API Ammo Lock Ammonia Detoxifier for Aquariums

    API
    Original price $9.77 - Original price $28.67
    Original price $9.77 - Original price $28.67
    Original price $9.77
    $6.98 - $20.48
    $6.98 - $20.48
    Current price $6.98

    About the Product: API Ammo Lock works instantly to detoxify the ammonia produced by fish waste and remove chlorine and chloramine from tap water w...

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    Original price $9.77 - Original price $28.67
    Original price $9.77 - Original price $28.67
    Original price $9.77
    $6.98 - $20.48
    $6.98 - $20.48
    Current price $6.98
    Save up to $8.19 Save $0.00
  • API AlgaeFix for Marine Aquariums

    API
    Original price $38.84
    Original price $38.84 - Original price $38.84
    Original price $38.84
    Current price $27.74
    $27.74 - $27.74
    Current price $27.74

    About the Product: Algaefix Marine controls a wide variety of algae types in marine (saltwater) aquariums and is EPA-registered as reef-safe. It wi...

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    Original price $38.84
    Original price $38.84 - Original price $38.84
    Original price $38.84
    Current price $27.74
    $27.74 - $27.74
    Current price $27.74
    Save $11.10 Save $0.00
  • API AlgaeFix for Freshwater Aquariums

    API
    Original price $6.27 - Original price $36.56
    Original price $6.27 - Original price $36.56
    Original price $6.27
    $4.48 - $26.11
    $4.48 - $26.11
    Current price $4.48

    About the Product: Aquarium Pharmaceuticals Aquarium AlgaeFix is a revolutionary product specially developed to control many types of algae in fres...

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    Original price $6.27 - Original price $36.56
    Original price $6.27 - Original price $36.56
    Original price $6.27
    $4.48 - $26.11
    $4.48 - $26.11
    Current price $4.48
    Save up to $10.45 Save $0.00
  • API 5 in 1 Aquarium Test Strips

    API
    Original price $11.04 - Original price $44.96
    Original price $11.04 - Original price $44.96
    Original price $11.04
    $7.89 - $32.12
    $7.89 - $32.12
    Current price $7.89

    About the Product: Aquarium Pharmaceuticals 5 in 1 Test Strips test aquarium water levels for optimal health! This master test kit allows you to si...

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    Original price $11.04 - Original price $44.96
    Original price $11.04 - Original price $44.96
    Original price $11.04
    $7.89 - $32.12
    $7.89 - $32.12
    Current price $7.89
    Save up to $12.84 Save $0.00
  • Algone Water Clarifier & Nitrate Remover

    Algone
    Original price $10.38 - Original price $15.04
    Original price $10.38 - Original price $15.04
    Original price $10.38
    $5.83 - $8.74
    $5.83 - $8.74
    Current price $5.83

    Algone Water Clarifier and Nitrate Remover clean your aquarium in no time! Algone Water Clarifier and Nitrate Remover clean aquarium water while is...

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    Original price $10.38 - Original price $15.04
    Original price $10.38 - Original price $15.04
    Original price $10.38
    $5.83 - $8.74
    $5.83 - $8.74
    Current price $5.83
    Save up to $6.30 Save $0.00