yes that is right its just easy to control the kalk to what ever i need so Im not getting much if im not using it with a top off you are just adding it and causing the levels to go up. with it this way if you top off is not enough then turn up the Kalk
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180 starfire front, LPS, millipora
Doesn't matter how much you have been reading until you take the plunge.
You don't know as much as you think.
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