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Slowly lower the pond water pH to make it more acidic using API® POND pH DOWN pH reducer. This product neutralizes alkaline substances that cause high pH, limiting aquatic plants'...

API® POND pH enhancer slowly raises pond water pH, making it more alkaline without harming sensitive pond fish or aquatic plants. This enhancer neutralizes acidic substances that contribute to pH...

API® POND PIMAFIX fish treatment contains an all-natural formula that quickly treats fungal infections on your pond fish's body and fins, as well as treating internal and external bacterial infections....

API® POND PIMAFIX fish treatment contains an all-natural formula that quickly treats fungal infections on the body and fins of your pond fish, as well as treating internal and external...

API® POND SIMPLY CLEAR bacterial cleaner is a natural bacteria-based clarifier that quickly clears cloudy pond water and keeps it clear. This triple-action formula rapidly purifies pond water, consumes sludge,...

The API® POND WIDE RANGE pH Test Kit allows you to quickly and accurately measure the acidity of pond water, protecting you from the harmful effects of pond water that...

Carefully selected bacterial strains in the API POND-ZYME SLUDGE DESTROYER bacteria cleaner immediately begin breaking down fish waste and dead algae that cause cloudy water, sludge buildup, and debris that...

API® PROPER pH 6.5 automatically adjusts and stabilizes the pH at 6.5, and also removes chlorine and heavy metal toxins. It works best with trout, discus, and angelfish, and contains...

API® PROPER pH 7.0 easily adjusts and maintains pH at 7.0 in community tropical fish tanks, and it also removes chlorine and neutralizes chloramines to make tap water safe and...

API® PROPER pH 7.5 automatically adjusts and stabilizes the pH level at 7.5, while also removing chlorine and heavy metal toxicity. PROPER pH 7.5 also contains electrolytes to reduce fish...

The API® PROPER pH 8.2 product adjusts and stabilizes the pH level at 8.2 in saltwater aquariums, brackish water, and African cichlid tanks without using phosphates. The pH level is...

API® Fast-Acting Bacteria allows immediate fish addition, as it instantly starts the aquarium's natural cycle with the help of beneficial bacteria that convert toxic ammonia to nitrite, then to harmless...

API® QUICK START bacteria enriched with nitrogen allow for the immediate addition of fish, as they instantly start the aquarium's natural cycle with beneficial bacteria, which convert toxic ammonia into...

API® QUICK START nitrifying bacteria allow for the immediate addition of fish, as they instantly initiate the natural aquarium cycle with beneficial bacteria that convert toxic ammonia into nitrite, and...

The API® REEF MASTER TEST KIT tests 4 key parameters - Calcium, Carbonate Hardness, Phosphate, and Nitrate - to maintain the health of coral reef inhabitants. The test is fast,...

API® test tubes are compatible with any pool or aquarium water test kits, and are ideal for testing more water parameters at once. The package includes 24 glass test tubes...

API® ROOT TABS plant fertilizer enhances plant growth in aquariums through ingredients like iron, potassium, and carbon that help develop strong roots and promote vibrant growth. Without proper fertilization, aquarium...

The API® Saltwater Test Kit measures the four most important saltwater parameters - pH, ammonia, nitrite, and nitrate - enabling you to easily test your tank's natural cycle and help...

Makes water immediately safe for betta fish. Adds electrolytes. Cleans tap water. Helps healing with the power of aloe vera. Add 8 drops per quarter gallon (473 ml), 16 drops...

API® STRESS COAT water conditioner makes tap water safe for fish by removing chlorine, chloramines, and heavy metals, and contains the healing power of aloe vera to reduce fish stress...