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Oyster shells help maintain good GH+ and KH+ values. These oyster shells have a stabilizing effect on the KH and PH value. The KH indicates the car...
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Oyster shells help maintain good GH+ and KH+ values. These oyster shells have a stabilizing effect on the KH and PH value. The KH indicates the car...
View full detailsOyster shells - to always have good KH and pH. Oyster shells have a particularly stabilizing effect on the KH, and therefore indirectly on the pH....
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