Tropical GH Conditioning Salts raise the general hardness (GH) of your aquarium water, supporting healthy osmotic balance in your fish. Formulated without phosphates, these salts also replace minerals, elements and trace elements that are often missing from tap water and rainwater but essential for tropical community fish to thrive.
Directions: Add one level teaspoon (around 5g) per 8 litres of water to raise GH by approximately 8dGH (140ppm).