I've considered switching to the new aqua vitro stuff since it has batch test data on the pail directly usually and if not you can look it up. It costs more than the reef crystals I use but I figured I could save myself doing 3 tests on each batch of water. The more I've thought about it tho I'm not so sure. You still have settling in the pail etc and I roll my pails but still...you just don't *know* unless you test. So I'm sticking with my cheapish reef crystals. Just wish it didn't look like someone took a dump in my mix tank after I drain the water out.
I never have to adjust Ca or Alk as both are a bit elevated which is nice. Burn through lots of Mg tho.
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