FYI -- the reason Ben suggested you use Borax to raise pH instead of soda ash is that soda ash affects pH and alk whereas, Borax will mostly affect pH and your alk is fine where it is.
FYI -- the reason Ben suggested you use Borax to raise pH instead of soda ash is that soda ash affects pH and alk whereas, Borax will mostly affect pH and your alk is fine where it is.
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