- Joined
- Apr 30, 2012
- Messages
- 2,722
- Reaction score
- 722
Since you are administering via ato, another factor could be evaporation rate. Has the humidity or ambient temp in hour house changed? Less ato water means less kalk.
I still been going thru about 10gallons a week top off. Temp in tank stays at 78 pretty much all day

eace:..

