- Location
- Oak Ridge, NJ

450-500Cal. and 9-12DKH Alk.What are the normal levels I should keep my tank at? I did the calculator and found out my water volume is around 75 gallons. I have a 65 gallon main tank and 30 gallon sump. Main tank is filled with 100 pounds of rock and 80 pounds of sand and sump fuge has 20 lbs rock and 20 lbs sand.
