Randy Holmes-Farley
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I read up a little on borate with respect to alkalinity. Should we all be testing for borate? I'm new to this, but I think most people adjust alk using carbonate and no one's ever mentioned borate alkalinity to me. Seems like a build up of it could be quite bad and I've never seen it discussed before. This may be due to my newness to saltwater, or it may be a reality that people aren't talking about it much.
Folks can get it from ICP. I don't consider it very important.
It was a bigger issue years ago when Seachem boosted it super high in their salt mix for pH stability, messing with total alk readings and probably causing their advice to maintain 11 dKH (4 meq/L).