How much Kalkwasser ?

[IPT]

Sure. I just did that in a different thread based on your question:

https://www.reef2reef.com/threads/kalk-vinegar-question.1151346/page-2#post-14250647

from it:

Saturation at 25 deg c is exactly 0.0204 M or about 1.5 g/L. With most powder calcium hydroxide, that translates to about 2 teaspoons per gallon of ro/di.

Yikes, I think I have been way overdoing it! I guess it only creates waste at the bottom of the container. I'll start lowering the dose and watch to see what the ALK levels do.

 

[Randy Holmes-Farley]

There’s nothing wrong with adding more and having excess on the bottom. I often did that and just used it for the next batch. :)