Quote:
Originally Posted by mr_alberta
A super easy (and cheap) way to drip kalk is to use a 2L pepsi (or other pop of your choice) bottle, drill a hole in the cap for a 1/4" dia. hose and get some sort of valve to adjust flow rate.
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Or if you can't find a valve, tie a knot in the hose and tighten until the kalk drips out at the rate you want to dose