Products

Nitrite is produced in the aquarium by fish waste and uneaten fish food. Low levels of nitrite inhibit respiration and suppress the immune system; high levels cause suffocation and fish death. Use this kit to test nitrite levels in your aquarium.

API® PERFECT START is a unique aquarium starter pack that provides everything you need to kick-start your new aquarium, keeping your fish healthy and your water clean and crystal clear.The products included in this package are perfect to kick-start aquariums up to 15 gallons, and may be used in both...

API pH down lowers the pH level in your aquarium. - for freshwater use - safe for fish and plants

Fish require a specific pH level to thrive. However, pH in an aquarium can fluctuate due to fish waste, addition of tap water and the build-up of natural acids. Use this kit to measure pH to maintain a healthy African Cichlid, marine or goldfish aquarium. Measures pH range 7.4 -...

API Proper pH 7.0 sets and holds pH to 7.0. Resists pH rebound. It also removes chlorine, neutralizes chloramines, adds electrolytes and detoxifies heavy metals in freshwater aquariums. Perfect for aquariums containing a mixed variety of tropical freshwater fish.

API pH Up raises aquarium pH and KH. Safe for fish and plants. For freshwater use.

API® pH UP pH adjuster raises pH levels in your aquarium to make water more alkaline when levels fall too low. pH is the measure of acidic or alkaline conditions in water, where a value of 7.0 corresponds to a neutral pH, pH values about 7.0 are considered alkaline, and...

API Phos-Zorb has been scientifically proven to remove phosphate and silicate from your aquarium. Phosphate and silicate are common nutrients found in fresh and saltwater aquariums that cloud your aquarium water. API Phos-Zorb helps reduce maintenance and promotes the growth of reef-building corals and prevents calcium precipitation caused by excess...

API Pimafix aids healing of mouth and body fungus; cottony growth; fin and tail rot and redness of skin and body.

Pond AQUA ESSENTIAL water conditioner is a highly concentrated all-in-one water conditioner that instantly makes tap water safe for fish by removing chlorine, chloramine and detoxifies heavy metals commonly found in tap water. Pond AQUA ESSENTIAL water conditioner instantly removes toxic ammonia, nitrate and nitrite levels in your pond. Toxic ammonia...

API Pond Care Algaefix helps to control algae in your pond. - Effectively controls "green water" algae blooms, String or Hair algae and Blanketweed in water gardens, goldfish ponds and ornamental fountains. - Keeps water clean and clear. - Safe to use with live plants and fish.

API Pond Care Algaefix helps to control algae in your pond. - Effectively controls "green water" algae blooms, String or Hair algae and Blanketweed in water gardens, goldfish ponds and ornamental fountains. - Keeps water clean and clear. - Safe to use with live plants and fish.

API® POND CHLORINE & HEAVY METAL NEUTRALIZER instantly makes tap water safe for pond life by neutralizing chlorine, copper, lead, and zinc, in addition to other heavy metals which are toxic to fish and plants. This treatment assists in making pond keeping and maintenance easy and effective all season long!Â...

In a new aquarium, harmful ammonia and nitrite build up from fish waste, often resulting in fish loss or new tank syndrome. The nitrifying bacteria in API Quick Start quickly consume ammonia and nitrite by immediately establishing the biological filter to help prevent new tank syndrome. The unique, patented bacteria...

In a new aquarium, harmful ammonia and nitrite build up from fish waste, often resulting in fish loss or new tank syndrome. The nitrifying bacteria in API Quick Start quickly consume ammonia and nitrite by immediately establishing the biological filter to help prevent new tank syndrome. The unique, patented bacteria...

In order for fish to thrive, water conditions in the aquarium need to be the same or very similar to those found in nature. This kit measures 5 of the most important aquarium conditions: pH, Nitrite, Nitrate, Carbonate and General Hardness. Improper levels can cause fish stress, which can lead...

API Stress Coat removes chlorine, chloramines and heavy metals to make tap water safe for fish. Contains Aloe Vera, which promotes healing and regeneration of damaged fish tissue and forms a synthetic slime coat to help prevent electrolyte loss. Proven to reduce fish stress, which can result from changing water,...

API® STRESS ZYME bacterial cleaner contains over 300 million live bacteria per teaspoonful to consume sludge and reduce aquarium maintenance, keeping your aquarium clean and improving the natural aquarium cycle. Making STRESS ZYME bacterial cleaner part of your tank’s regular upkeep routine assures an active biological filter, a cleaner aquarium,...

API Tap Water Conditioner instantly removes chlorine and chloramines, and detoxifies heavy metals to make tap water safe for fish. Super strength formula. API Tap Water Conditioner should be used when setting up a new aquarium, when adding water or changing water.

API® TROPICAL FLAKES is designed specifically for tropical community fish such as Angelfish, Tetras, and Barbs, and contains a unique, nutritionally-enhanced protein to ensure easy uptake of nutrients for maximum absorption. Fish more readily use the nutrients in our high-quality formula, and as a result, release up to 30% less...

API® TROPICAL GREENS FLAKES is formulated with carotenoids to enhance the vibrant colors of your fish, along with multiple algae species, beet pulp, and a special plant blend for healthy growth and development. API TROPICAL GREENS FLAKES are designed specifically for algae and plant-eating fish, such as Swordtails, Mollies, and...

API® TROPICAL PELLETS contains high-quality proteins – including squid and shrimp – for optimal growth, and perfects palatability with garlic. API TROPICAL PELLETS are designed specifically for tropical community fish such as Angelfish, Tetras, and Barbs, and contain a unique, nutritionally-enhanced protein to ensure easy uptake of nutrients for maximum...