[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

RE: Form of Calcium in Oyster shels???

>I add Calcium
>	for my plants in the form of Oyster Shell which does not contain any
>	carbonates. Therefor I am increasing GH and not KH.

This is a new one on me - what are Oyster shells made of?

James Purchase