Sera Marin Component 2 Calcium pH Buffer, 250ml, Multicolour

Stabilizes the pH system in marine water aquariums. Use the sera kH-Test kit to conveniently check the carbonate hardness. Combined application provided, sera marina 1 and 2 are balanced according to the optimal pH value in saltwater and stabilize the natural buffer system in reef aquariums. Recommended dosage: Use the cap as a measure. Dose one capful each of sera marina 1 and 2 for every 26.4 US gal. (100 liters) of saltwater into the aquarium, wait 2 3 minutes between dosages. Do not raise the Ca level by more than 20 mg/l (ppm) per day.