All you ever wanted to know about Kalk
and then some.
is also a buffer. How much is added and how often depends upon the Ca
demands of your tank. I mix two tablespoons of kalk
per gallon of water. This is considered fully saturated.
You only want to dose kalk
at the same rate evaporation is removing water from your tank. Some people setup a drip system to drip in kalk
slowly over the day to match evaporation. Some use an auto topoff device to dose it into the tank when the water level trips the auto topoff.
You don't want to overdose kalk
. The pH of kalk
water is 14 8O. This is why it must be put in slowly over the course of the day.
You should also do a search on Kalk
on this forum in addition to reading the above articles I linked to. That should answer every conceivable question you should have on the subject as I only brushed over the subject.