Hey everyone and thanks for the help.
I have a 15g fluval Flex planted high tech tank with cherry shrimp, rummy nose tetras, cardinal tetras, and endler guppies.
Water parameters: KH 3 GH 8 pH 7.4-7.6 without CO2 6.6 with CO2, 8 hour photo period. CO2 offset by 1 hour prior to the lights...