Hello,
I use AF products.
My tank is a red sea s max 400, I started it 2 month ago. I use Pro Biotic Reefsalt, Probio S, NP pro, Amino….. and Component +1,+2,+3.
I have a problem with my KH. - ca 410, mg 1300, kh 9,6 ( my kh is high from the start - I don’t know its cause - I think it comes...