Description
One block will be sufficient for 10-15 average size fish in a 45-litre aquarium for approximately 3 days. The water temperature should be between should be about 20-26 degrees. A lower temperature or highly alkaline water will accelerate its dissolving r ate. It’s recommended to change about 10% of the water weekly. Do not use in an aquarium without any aeration. Packaging contains 5 blocks.
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