Jan 12, 2020 #1 canadianeh Valuable Member View Badges Joined Feb 28, 2017 Messages 1,611 Reaction score 1,044 Rating - 0% 0 0 0 Do you need to maintain or care about alk, cal, and mag on fish only tank?
Jan 12, 2020 #2 S.Pepper Valuable Member View Badges Hospitality Award My Tank Thread Joined Sep 21, 2019 Messages 2,231 Reaction score 9,509 Rating - 0% 0 0 0 I would think regular water changes would take care of that.
