Seachem Reef Salt mixed with RODI water has 1360 mag. 500+calcium (Salifert test not able to read past 500) and 6.7dHK for Alk. All at 1.025 SG. Looks like I will be switching salt brands. Do I just gradually do water changes to eventually change out all the water in I'm system? 15gallons a time with couple days in between? My whole system with sump is around 65gallons if you take all the Rick and sand into account. Which salt is recommended?
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