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Oyster Shells

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Oyster Shells have been used for years by Koi professionals to help with the pH of the water and to maintain optimal water conditions and is extensively used in Japan.

Since the Oyster Shells will generally raise the pH level in your water, these should only be used in cases of low pH.

Oyster Shell generally will raise the level of the pH

Available in 5kg Tubs or a Net Bag


5kg In Net Bag, 5kg Tub


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