Seachem Discus Buffer 50g 250g Aquarium Fish Tank PH Regulator Cichlid Discus
Discus Buffer® will lower pH and keep it lowered. Discus Buffer® also softens water by precipitating calcium and magnesium. Use 1 level teaspoon (5 g) for every 40-80 L (10-20 US gallons) daily until intended pH is reached.