Hi! First time here on this forum.
I've got a 2.5 month old cycled 10gal tank. Started with a dwarf gourami, 3 corys, 1 guppy, and 2 ghost shrimp. Just added plants 2-3 weeks ago. Temp 76-77°, PH 7.4
Water parameters are all good, except when I brought water for testing to LFS, they said I had...