Hi everyone, Hope everyone is well and staying safe.
My Specs:
. How many gallons?
Dt is 70 gallons and been running for a year and half with no WC, but recently expanded with larger sump and frag tank for total water volume of 220.
And how many fishes - 6 Chromis, 1 Mandarin, 1 PBT, 1 Clarki...