Seachem Acid Regulator
Acid Regulator™ adjusts pH to the acidic range (4.5–5.5) and softens water by precipitating calcium and magnesium. Acid Regulator™ supports the establishment of the optimal environment for all acid acclimated species (e.g. neons and other tetras, etc.)
Use 1 level teaspoon (5 g) for every 40 L (10 US gallons) daily until intended pH is reached.