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Thanks for the advice, everyone. I'll try the peat first and monitor for a week. If that doesn't cut it, I'll look into replacing the Stratum. Appreciate the help!

Those numbers aren't too wild, but the high GH might be stressing your shrimp. What's your tap water like? If it's hard, you might wanna cut it with RO or distilled. Also, Stratum buffers pH, so it's weird your pH is that high. You using any additives?


My tap water's GH is 8 dGH, so it's not ...

I've been testing my tank's pH, KH, and GH for the first time, and the numbers seem all over the place. pH is 7.8, KH is 4 dKH, and GH is 12 dGH. Is this normal for a planted tank with Neon Tetras and a few Amano Shrimp? My substrate is Fluval Stratum, and I'm using a sponge filter with weekly 20 ...