Putting Kalk in the ATO?

[ponokareefer]

Originally Posted by Myka

When you guys add Kalk to the top off water don't you find that the addition of Kalk varies as the evaporation changes? I know my tank is hardly going through any top off water right now, and in the summer it was about 3 gallons per day. That could wreck havoc...?

Things just grow more in the summer.

Did you have fans going in the summer to create more evaporation? I seem to remember evaporation higher in the winter when humidity was less.