Aqua Pics Amazon conditioning crystals brings up the Gh in tanks with using a low sodium ingredients that are ideal for Discus and L-Number catfish that prefer lower sodium ratios.
Amazon conditioning crystals "Low Sodium" For Sodium sensitive Fish such as Discus, Tetras and Catfish.
Dose:
Add 1 heaped teaspoon to 20 Litres of water, this will raise General Hardness by approximately 7GH or 125ppm
$159.00 AUD
$46.95 AUD 
