PH/KH state my co2 is 30ppm when I am not adding co2 at all
Ph is 7.1 and kh is 9 in the morning before light and co2 turn on. If I follow the traditional ph/kh charts, then I'm already at 30ppm co2 which makes absolutely no sense.
I back this up with the color changing tester in the tank. I definitely need to be in the low 6's to hit 30 ppm. My KH is 9 because of large rocks in the water. I use RO water and it drops to around 4 or 5 when I do a 50% water change.
What is going on here? Am I missing something obvious with my tank?
Last edited by Ddrizzle; 03-19-2019 at 08:15 PM.