my aquarium has 7.15 PH and I inject co2 until I the pH goes to 6.
I want to know if the fertilizer of iron which I have is ok?
Is the CSM+B trace elements, with Fe 7,8% and EDTA Chelated.
I read somewhere that EDTA chelated is up to 6.0 PH.
Last edited by fitos100; 05-13-2019 at 09:43 AM.