Re: checking water parameters

[IDMiamiBob@aol.com]

Erik writes:

> Literally, CaCO3 and MgCO3 powder, as purchased from a chemical supply
>  house.  Probably too expensive, but what the heck.

Crushed dolomite is available at nurseries this time of year, and will 
provide both CaCO3 and MgCO3 in a ratio considered typical of water found in 
nature.

Bob Dixon


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