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Products of the API range from £3.25 to £18.67, so your total expense can vary depending on the products chosen, which allows you to choose products according to your budget. API provides their products for a reasonable price, which means the products cost around £10.82 on average. They are affordable options to make your shopping much easier.

API offers a variety of products, there are 306 products available, 17 of which were analyzed in detail and recommended to customers. The API review will guide you with an in-depth look into the brand and its products to ensure you make the right purchase decision.

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API Best Sellers

Last Updated: 14 Jun 2023

Automatic Feeders for Fish

API HOLIDAY PYRAMID FISH FEEDER 14-Day Automatic Fish Feeder 34-Gram 1-Count Pack,White

API HOLIDAY PYRAMID FISH FEEDER 14-Day Automatic Fish Feeder 34-Gram 1-Count Pack,White Cover
  • Supplies food to your fish while you are away for up to 14 days
  • Contains one API Holiday Pyramid Fish Feeder 14-day Automatic Fish Feeder, 34 g, one count pack
  • Includes natural ingredients to meet nutritional requirements of all aquarium fish
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Salt Aquarium Water Treatments API Aquarium Water Treatments

API AQUARIUM SALT Freshwater Aquarium Salt 453-Gram Box

API AQUARIUM SALT Freshwater Aquarium Salt 453-Gram Box Cover
  • Promotes fish health and disease recovery with increased electrolytes
  • Contains one (1) API AQUARIUM SALT Freshwater Aquarium Salt 453-Gram Box
  • Use when changing water, when setting up a new freshwater aquarium and when treating fish disease
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Algae Aquarium Water Treatments Aquarium Water Treatments

API Prevent Algae Aquarium Algae Control Solution, 237 ml Bottle

API Prevent Algae Aquarium Algae Control Solution, 237 ml Bottle Cover
  • Prevents aquarium algae and green water
  • Contains one (1) API PREVENT ALGAE Aquarium Algae Control Solution 237 ml Bottle
  • Use weekly to limit algae growth
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Aquarium Water Treatments

API Stress Coat Aquarium Water Conditioner, 473 ml Bottle

API Stress Coat Aquarium Water Conditioner, 473 ml Bottle Cover
  • Makes tap water safe and protects fish with dual-action formula
  • Contains one API stress coat Aquarium Water Conditioner 473 ml Bottle
  • Use when adding or changing water, when adding a fish and when fish are sick or injured
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API MELAFIX Freshwater Fish Bacterial Infection Remedy 237 ml Bottle, BLUE

API MELAFIX Freshwater Fish Bacterial Infection Remedy 237 ml Bottle, BLUE Cover
  • Heals bacterial infections and repairs damaged fins, ulcers and open wounds
  • Contains one (1) API MELAFIX Freshwater Fish Bacterial Infection Remedy 237 ml Bottle
  • Use daily for a week when treating infections and for 3 days as a preventive when adding new fish
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API White Spot Cure Freshwater and Saltwater Fish Medication, 118 ml

API White Spot Cure Freshwater and Saltwater Fish Medication, 118 ml Cover
  • Treats itch white spot disease in fish and secondary bacterial fish infections
  • Contains one API White Spot Cure Freshwater and Saltwater Fish Medication, 118 ml bottle
  • Use only in freshwater and saltwater aquariums not with reef aquariums
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Aquarium Water Treatments

API ACCU-CLEAR Freshwater Aquarium Water Clarifier 118 ml Bottle

API ACCU-CLEAR Freshwater Aquarium Water Clarifier 118 ml Bottle Cover
  • Clears cloudy aquarium water
  • Contains one (1) API ACCU-CLEAR Freshwater Aquarium Water Clarifier 118 ml Bottle
  • Works fast and maximizes filter efficiency
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Conditioner Aquarium Water Treatments Aquarium Water Treatments

API Aqua Essential Aquarium Water Conditioner 473 ml Bottle

API Aqua Essential Aquarium Water Conditioner 473 ml Bottle Cover
  • WORKS INSTANTLY: Highly concentrated aquarium treatment works instantly to remove harmful chemicals, making tap water safe for fish in freshwater and saltwater aquariums; Reduces the risk of fish loss when starting or maintaining a fish tank
  • Contains one (1) API AQUA ESSENTIAL Water Conditioner 4 ounce bottle; treats up to 1,180 U.S. Gallons
  • NITRITES AND NITRATES REMOVER: Produced by fish waste and uneaten fish food, nitrites inhibit respiration and suppress the immune system at low levels, while high levels cause suffocation; Nitrates can be harmful to fish and lead to algae growth
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Bacteria Aquarium Water Treatments Aquarium Water Treatments

API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria Bottle,White, 473 ml

API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria Bottle,White, 473 ml Cover
  • Allows instant addition of fish when starting a new aquarium
  • Contains one (1) API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 473 ml Bottle
  • Use when starting a new aquarium, when adding new fish and when changing water and filter media
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Aquarium Water Treatments

API pH DOWN Freshwater Aquarium Water pH Reducing Solution 118 ml Bottle

API pH DOWN Freshwater Aquarium Water pH Reducing Solution 118 ml Bottle Cover
  • Lowers freshwater aquarium water pH with a phosphate-free formula
  • Contains one (1) API pH DOWN Freshwater Aquarium Water pH Reducing Solution 118 ml Bottle
  • Test water weekly and use to correct pH level in freshwater aquariums
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CO2 Aquarium Water Treatments Aquarium Water Treatments

API CO2 BOOSTER Freshwater Aquarium Plant Treatment 473 ml Bottle

API CO2 BOOSTER Freshwater Aquarium Plant Treatment 473 ml Bottle Cover
  • Promotes plant growth in freshwater aquariums
  • Contains one (1) API CO2 BOOSTER Freshwater Aquarium Plant Treatment 473 ml Bottle
  • Use daily in order to ensure lush, vibrant aquarium plants
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Aquarium Water Treatments

API LEAF ZONE Freshwater Aquarium Plant Fertilizer 473 ml Bottle

API LEAF ZONE Freshwater Aquarium Plant Fertilizer 473 ml Bottle Cover
  • Promotes strong, hardy and colourful leaves and prevents yellow, decaying leaves
  • Contains one (1) API LEAF ZONE Freshwater Aquarium Plant Fertilizer 473 ml Bottle
  • Use for weekly monitoring and when water or fish problems appear
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Aquarium Water Treatments

API STRESS ZYME Freshwater and Saltwater Aquarium Cleaning Solution 473 ml Bottle, Blues & Purples

API STRESS ZYME Freshwater and Saltwater Aquarium Cleaning Solution 473 ml Bottle, Blues & Purples Cover
  • Keeps freshwater and saltwater aquariums clean and reduces maintenance
  • Contains one (1) API STRESS ZYME Freshwater and Saltwater Aquarium Cleaning Solution 473 ml Bottle
  • Use weekly to maintain a clean, healthy aquarium
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API GH & KH TEST KIT Freshwater Aquarium Water Test Kit 1-Count

API GH & KH TEST KIT Freshwater Aquarium Water Test Kit 1-Count Cover
  • Helps monitor water quality and prevent invisible water problems that can be harmful to fish and plants and cause fish loss
  • Contains one (1) API GH & KH TEST KIT Freshwater Aquarium Water Test Kit, including 2 bottles of testing solution, 1 colour card and 2 glass test tubes with cap
  • Water hardness is a measure of the dissolved mineral content of water and should match fish natural habitat to prevent fish stress and keep them healthy
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API Aquarium Canister Filtration Water Softener Pillow

API Aquarium Canister Filtration Water Softener Pillow Cover
  • Softens hard water
  • Contains one API Water Softener Pillow Aquarium Canister Filter Filtration Pouch 1-Count Bag
  • Reduces general hardness by lowering calcium and magnesium
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Aquarium Water Treatments

API TAP WATER CONDITIONER Aquarium Water Conditioner Bottle,White, 473 ml

API TAP WATER CONDITIONER Aquarium Water Conditioner Bottle,White, 473 ml Cover
  • Neutralizes chlorine, chloramines and other chemicals to make tap water safe for fish
  • Contains one (1) API TAP WATER CONDITIONER Aquarium Water Conditioner 473 ml Bottle
  • Use when adding or changing water and when adding new fish to freshwater and saltwater aquariums
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API Nitra-Zorb Pouch, Size 6

API Nitra-Zorb Pouch, Size 6 Cover
  • Removes toxins that can be harmful to fish and lead to algae growth
  • Contains one API Nitra-Zorb Size 6 Aquarium Canister Filter Filtration Pouch 1-Count Bag
  • Removes ammonia, nitrite and nitrate from aquarium water
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