Nov 25, 2015 #1 Enriquebach New Member View Badges Joined Oct 20, 2015 Messages 3 Reaction score 0 Rating - 0% 0 0 0 Hello i have a 70 g cube to maintain and ca kh mg, dosed esv it, but I have many changes in levels I can keep with changes of water, how much water need for the weekly change?
Hello i have a 70 g cube to maintain and ca kh mg, dosed esv it, but I have many changes in levels I can keep with changes of water, how much water need for the weekly change?
Nov 25, 2015 #2 ermartin Active Member View Badges Joined Apr 10, 2008 Messages 358 Reaction score 101 Location California north central Rating - 0% 0 0 0 well i would change 20g a month so i guess i would say 5gal a week if you choose to do it that way
