Kalkwasser Calcium hydroxide supplement for coral 225g
Kalkwasser Calcium hydroxide supplement for coral 225g
Kalkwasser is a calcium hydroxide supplement to help corals grow and build coral bone structure. Unlike many other brands, this product is finely ground to maximise solubility. Keep adding Kalkwasser powder to 2 litres of water until no more can be dissolved. Then over a few hours, add solution to the aquarium very slowly (using a drop system into a moving current).
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