Quote:
Originally Posted by Brent F
I tested a new batch yesterday and it came out the same as Jason's (CA 400, ALK 7.0 Dkh, MG 1500). Should the calcium be suplemented to get it up to 425 from the 400? I've been leaving my alkalinity at 7 based on recommendations at the zeovit site.
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Natural seawater is about 400 ca & 7 dkh. Having higher levels is a personal preference only. I like to have ca a bit higher just so I have a little wiggle room but it isn't necessary.