Water Quality Testing & Treatment

OverviewPhosGuard provides a practical approach to managing dissolved nutrients in both marine and freshwater aquariums. It is not recommended for phosphate buffered freshwater. The media is highly porous to offer substantial adsorption capacity and bead-shaped to support steady water flow, helping filtration remain efficient...

What is the B-Ionic Calcium Buffer System? ESV Aquatics presents an original, two-component liquid supplement designed for saltwater reef aquariums. Built on Balanced Ion Technology, it delivers calcium and carbonate alkalinity without organic additives or powders, offering a straightforward way to support reef chemistry....

Overview Flux RX 7000mg is an advanced aquarium water care formula designed to support clearer water and balanced conditions in both freshwater and saltwater tanks. It emphasizes a user-friendly approach and avoids reliance on harsh chemicals, aiming to simplify routine maintenance while helping your...

Discover the Flourish Kit for Planted Aquariums Elevate your freshwater aquarium with the Trinity Treats Flourish Supplement and Flourish Excel Organic Carbon kit. This 3‑item bundle brings together targeted plant nourishment and a convenient carbon source, plus a microfiber cleaning cloth for upkeep. Designed...

All-In-One Nutrition for Your Aquatic Plants NilocG Thrive All-In-One Aquarium Plant Fertilizer brings together essential micro and macronutrients in a single, highly concentrated liquid. Designed to support vibrant, green growth across a variety of freshwater plants, it aims to simplify fertilization for beginners and...

Overview Nourish is a comprehensive supplement designed for freshwater ornamental fish kept in long-term, closed aquariums. This vitamin-rich formula combines amino acids and trace elements to support everyday health and vitality, without making promises. The nutrient blend is built to complement regular feeding and...

Overview Brightwell Aquatics MicroBacter Clean is a microbial culture and enzyme blend designed to support cleaner surfaces on live rock and tank decorations in saltwater habitats. It aims to ease routine maintenance and smooth the transition during tank cycling, offering a practical option for...

Get your tank off to a confident startLaunch a tropical or freshwater aquarium with confidence using the API Aquarium Starter Bundle Pack. This trio combines trusted solutions designed to ease the first weeks in your tank and support a calmer, more predictable setup.What’s inside...

OverviewThe HI783-25 Marine Magnesium Checker reagents are replacement packs designed to work with the Hanna Marine Magnesium Checker HC (HI783). Each packet is pre-measured and clearly labeled with lot numbers and expiration dates for traceability, helping you stay organized as you test saltwater magnesium...

What Seachem Neutral Regulator doesSeachem Neutral Regulator is designed to help you bring a freshwater tank’s pH to neutral (around 7.0) from either acidic or alkaline starting points. It also softens water by precipitating minerals like calcium and magnesium and helps remove common water...

Natural balance for shrimp tanksMaintaining a shrimp habitat that stays clear and stable can be challenging, especially when routine changes ripple through the water. SHUNNIUB Balance Powder offers a plant-based approach designed to support a cleaner, calmer tank without harsh chemicals. The 50 g...

Effortless, real-time pool temperature monitoring Meet the Wireless Pool Thermometer from T TESTRUST, a floating, digital temperature gauge designed to simplify water care. With a waterproof sensor and a display that travels up to 328 feet, you can track water temperature from indoors or...

EcoBio-Block is more than a rock. It combines mineral-rich, porous volcanic rock with a neutral cement binder to actively interact with tank water, helping absorb pollutants and stabilize water chemistry. The result can be a cleaner, more balanced habitat for freshwater life without relying...

OverviewMaintaining a healthy pond starts with water you can trust. API POND STRESS COAT is a ready-to-use pond water conditioner designed to work instantly with tap water. It removes chlorine, chloramines, and ammonia, helping to minimize sudden chemical exposure that can stress fish and...

Seachem Flourish Tabs are designed to nourish aquatic plant roots with a careful blend of trace elements, amino acids, and vitamins. When placed in the gravel, these tablets become a time-release source of nourishment that supports the root zone as plants grow and fill...

Overview Fritz Aquatics ParaCleanse delivers a broad-spectrum parasite treatment designed for aquarium fish in both freshwater and saltwater systems. It targets velvet (Oodinium), hole-in-the-head disease caused by Hexamita & Spironucleus, fish lice, and gill & skin flukes, helping maintain a balanced, visually pleasing tank...

Premium marine salt for every tank sizeInstant Ocean Sea Salt 50 Gallons is designed to cover the needs of reef, fish, and invertebrate inhabitants across aquariums of any size. The formulation is the result of decades of testing and feedback from public aquariums and...

Discover Harris Diatomaceous Earth Food Grade 5lb Harris Diatomaceous Earth is a 5lb bag of food grade freshwater diatomaceous earth. Mined in Nevada and packaged in Georgia, this product is prepared for purity and ready to support organic practices. The naturally light and powdery...

Effortless water testing for healthy fish Keep fish healthy and thriving with API 5-IN-1 TEST STRIPS. Designed for both freshwater and saltwater tanks, these strips measure pH, nitrite, nitrate, carbonate hardness, and general hardness. In a single dip, you can view color changes that...

Premium reef-specific salt for thriving coral and invertebrates No matter the size of your aquarium, Instant Ocean Reef Crystals Reef Salt offers a science-backed path to ocean-like conditions at home. This formula is designed specifically for reef systems, delivering essential reef elements at higher...