Salifert Freshwater General Hardness GH Test Kit

The Salifert Freshwater General Hardness GH Test Kit is a highly accurate and easy-to-use solution for measuring the general hardness (GH) in freshwater aquariums. With up to 70 individual tests, this fast-acting kit helps aquarists monitor the essential levels of calcium and magnesium that support fish health and plant growth. Maintaining proper GH is critical for osmoregulation, biological stability, and vibrant aquatic life. Designed specifically for freshwater systems, this reliable test kit ensures you can quickly identify hardness imbalances and make the necessary adjustments to keep your aquarium inhabitants thriving.