- Joined
- Aug 27, 2015
- Messages
- 6
- Reaction score
- 0
i have a 75 gallon tank .... With a 30 gallon sump ..... So id say roughly the wat volume is 80 gallons .... My Alk is 7 = 125.3 .... And my CA is 480 .... Would any one help me please figure out if i need to dose or something that would b a reasonable estimate


