API

Smart water care for every aquarium Healthy fish start with clean, balanced water. API TAP WATER CONDITIONER helps prepare tap water for safe introduction to your tank. Its approach is practical and fast, designed for busy hobbyists who want reliable results without fuss. What...

Overview API PIMAFIX is a versatile fish remedy designed for both freshwater and saltwater aquariums. Packaged in a 64-ounce bottle, the formula is colorless and gentle on the tank's appearance, preserving water clarity and decor. The product is safe for reef tanks and live...

Overview API TAP WATER CONDITIONER is a 64-ounce bottle designed to treat tap water before you introduce fish to an aquarium. Tap water can contain chlorine and chloramines that may irritate gill tissue and affect how fish take up oxygen. This formula neutralizes chlorine...

Overview API POND STRESS COAT Water Conditioner is designed to quickly neutralize chlorine, chloramines, and ammonia from tap water while conditioning it for pond life. The premium formula features a natural Aloe Vera infusion that nourishes the water and can help create a gentler...

OverviewAPI POND PIMAFIX is an all‑natural antifungal remedy designed for ornamental pond fish such as koi and goldfish. Derived from West Indian Bay Tree extract, this formula targets fungal infections and cottony growth on the body and fins, while also addressing related bacterial challenges...

Overview API POND MELAFIX Pond Fish Infection Remedy offers a botanical approach to pond fish care, leveraging natural tea tree extract to support a gentle treatment routine in freshwater ponds. Packaged in a sturdy black bottle, this 64-ounce size is designed to fit a...

Product overviewAPI Leaf Zone Aquarium Plant Food is a 32-ounce formula crafted for freshwater tanks that feature live plants. This plant-focused nutrition targets the leaves, delivering nutrients where photosynthesis occurs and growth is most visible.Formulated for rapid absorption through the leaves, it works alongside...

Overview API POND MELAFIX Pond Fish Remedy is a natural, plant-based treatment designed for pond fish. Built around a botanical tea tree extract, it aims to support the healing of damaged fins, ulcers, and open wounds in pond environments. The formula is suitable for...

Overview API General Cure is a fast‑acting powder medication designed for freshwater and saltwater fish. It targets a broad range of parasites that commonly challenge community tanks, while its formulation avoids tinting the water, so you can enjoy a clear view of your fish...

Overview API POND ECOFIX SLUDGE DESTROYER is a natural, highly concentrated bacterial treatment designed to help manage organic buildup in pond water. The 16-ounce bottle targets waste and sludge, supports clearer water, and reduces routine maintenance. It’s part of the API Pond care family...

Overview API Root Tabs offer a straightforward, dependable way to nourish freshwater aquarium plants at the root zone. Sold as two boxes, each box contains ten 0.4-ounce tabs that can be placed beneath the substrate where roots spread. This setup is designed to support...

Overview API PondCare PimaFix Antifungal Remedy for Koi & Goldfish is a targeted pond treatment designed to address common fungal and cottony growth on koi and goldfish. This all-natural solution centers on the West Indian Bay Tree extract and a blend of synergistic compounds...

Keep your aquarium water in balance with API Ammonia Test StripsAmmonia is a common byproduct of fish and decaying matter. API AMMONIA TEST STRIPS offer a simple, at-a-glance way to check ammonia levels in your freshwater or saltwater tank. By dipping a strip into...

Overview API PONDCARE MICROBIAL ALGAE CLEAN is the first EPA-registered bacterial algaecide designed for ponds. It targets green water algae (chlorella) in ornamental ponds and water gardens that host live plants and fish. Powered by beneficial bacteria, this product works in the background to...

Start strong with API Quick StartNew freshwater or saltwater setups can face ammonia and nitrite spikes as fish are added and the tank cycles. API QUICK START is designed with live nitrifying bacteria to help begin the aquarium cycle and support an active biological...

Overview Keep marine life vibrant with a reliable at‑home water test. The API Saltwater Master Test Kit 550-Test provides a trusted way to assess four key water parameters in your saltwater aquarium, helping you notice subtle shifts before they impact fish or invertebrates. Designed...

Keep a thriving reef with the API Reef Master Test Kit, designed to measure four key water parameters for reef tanks: calcium, carbonate hardness (KH), phosphate, and nitrate. Accurate, repeatable testing helps you understand how your aquarium water behaves, enabling informed decisions about dosing...

Overview API STRESS COAT Freshwater Aquarium Water Conditioner is designed to make tap water safe for freshwater fish instantly by removing chlorine and chloramines and by helping neutralize heavy metals. The formula includes Aloe Vera and is marketed to help reduce stress indicators and...

OverviewAPI Stress Zyme Freshwater & Saltwater Aquarium Cleaning Solution comes as a two-bottle, 16-ounce kit designed to simplify tank maintenance by introducing live bacteria that actively feed on sludge and organic debris. Each teaspoonful delivers over 300 million beneficial bacteria, helping reduce buildup that...

Kick off your tank with confidence New freshwater or saltwater setups often face ammonia and nitrite spikes from fish waste. API Quick Start Freshwater and Saltwater Aquarium Nitrifying Bacteria provides live bacteria designed to help start the aquarium cycle sooner and keep water conditions...