Quote:
Originally Posted by ponokareefer
The contents would be baking soda, not kalk.
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Personally, I'd use kalk. It keeps Ca and alk at proper levels, baking soda should be used more of a fix, IMO. I only use it if I notice a sharp drop in my alk. Otherwise, kalk. You wouldn't need it full strength either, and likely wouldn't need to mix it once stirred.