Right from the 20 Mule Team box...contains sodium tetraborate decahydrate. I would think a simple calcium hardness measurement would tell a lot. I may be missing something though.
Al
Re: How to test for sodium tetraborate?
Right from the 20 Mule Team box...contains sodium tetraborate decahydrate. I would think a simple calcium hardness measurement would tell a lot. I may be missing something though.
Al
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