Hi,
Ive just started a planted tank and i am 3 weeks in. I have hard water @ GH16, KH 11, ph7.7, and use CO2 fert. What is causing me bother is the fact that i can add and add CO2 but the pH and KH don’t change. I cannot test for co2 and have to rely on these kh and ph readings.
Algae is on its...