Oyster Shell

Rs 600.00
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NAME Oyster Shell
ACTIVE INGREDIENT Calcium Carbonate (CaCO₃.) app. 95%
USED FOR Buffering pH - Preventing pH crashes

Maintaining KH (Calcium Hardness) of Water


One (1) kg 1,000 Litres Water
Replace with new Oyster Shell Every 3 - 6 Months
Please note, that the rate of Oyster Shells dissolving, will vary from pond to pond.


Japanese Koi Farmers have been using Oyster Shell for generations to maintain a stable pH, they use Oyster Shell as their only pH buffering media.

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