Reagents

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Get accurate test results with high-quality Reagents for your aquarium. Whether you're testing calcium, alkalinity, nitrate, phosphate, or magnesium, fresh reagents are essential for reliable water parameter readings. We offer replacement reagents for top brands like Hanna, Red Sea, and Salifert—so you can keep your testing kits running without having to buy a full new set. Shop our full range of aquarium test kit reagents to support precise dosing and healthier livestock. Ideal for both saltwater and freshwater setups, these reagents help ensure stability, clarity, and long-term success in your tank.