Bio carbonate hardness-KH Supplement can buffer the sharply reducing pH level. Combined with calcium, it can meet the growth of coral reefs and other marine animals. Directions for Use:Pre-mix the Bio carbonate hardness-KH supplement totally into the water to be added. Calculate the volume of aquarium water, and add the Bio carbonate-KH supplement according to the volume. A level spoon can measure Bio carbonate hardness-KH Supplement approximately 8g/0.28oz which can mix in 100 L/22 U.K gallon water. This will raise CaCO3 40ppm. Maximum dosage of Bio carbonate hardness: 50ppm each time. Caution:Please don't directly add the Bio carbonate hardness-KH to your tank. To avoid the stress reaction of marine animals, we recommend to pre-mix Bio carbonate hardness-KH before adding.
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