Join Date: Jun 2015
Location: Victoria, BC, Canada
These are shrimp tanks, and I use Salty Shrimp mineral GH/KH+ in the change water (20-25% WC weekly). Before I put the shrimp in, I did a 90-ish% WC with the remineralized water. Our city water is very soft, pH is about 6-6.5 with TDS 20-25 and GH/KH one drop each!
I remineralize to TDS 140-150ish, which turns the pH 7ish, GH 60-80ppm and KH 20-30ppm. By mid-week I'm finding the pH has dropped to 6.4 to 6.8, GH could be 40ppm (less than 3 degrees) and KH 10-20ppm (about 1 degree). So I usually end up adding a bit more of my stock solution of the Salty Shrimp remineralizer. I do it slowly, just enough to bump up the TDS a bit, maybe 10ppm. It's not perfect, but the shrimp are doing fine.
I have cuttlebone pieces in the tanks, for CaCO3, but I think my pieces are so small it's not doing anything. Crushed coral should do the same thing.
Daisy Mae V
According to my husband, I have a habit of jumping right in!