Quote:
Originally Posted by bertoni
Otherwise, for every 2.8 total dKH consumed, calcium will drop 20 ppm. That should help with planning. Calcium chloride and soda ash can be used to make a fine DIY 2-part.
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hopefully alkalinity is all i need for now. from todays testing my calcium have droped by 5pmm since last time i tested(8 days ago). right now its at 450. in