An IV style doser works great, the bag collapses as the fluid drains out and doesn't allow outside air, with high CO2 content to get in and react with the kalk, reducing its effectiveness. Dripping is best done at night when pH tends to fall normally. 1-2 drops per second is about right on a typical (55+) system. Remember the pH of fresh kalk is bout 12 so too much too soon will raise pH to quickly 
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When considering courage in battle, one should remember that there are 2 sides to every conflict.
The heroism of the losing side rarely gets remembered
but we were all husbands and fathers, sons and bros
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