Wow...didn't expect this thread to blow up! Sorry everybody, I should have been more clear about what I was doing. I do test for Ca and alk. Currently in the evening my tank is at:
pH 8.4
Ca 425ppm
Alk 3.2 meq/L
The main reason I started dosing kalk was in an attempt to stabilize my alk, which has been dropping at an average rate of 0.17 meq/L per day, unless I toss in baking soda (i keep a detailed record of everything that happens in my tank).
Since I started the kalk...which is just a couple days, everything has stayed stable when tested at the same time of day, but my concern was whether or not I could dose limewater at a faster rate since I can't keep up with evap at 2 drops per second. My solution is 1tspn per gallon.
I'm afraid that if I drip any faster, my pH is going to shoot past 8.4, so if I use my current kalk solution, I'll have to topoff regular water as well. Ideally, I'd like to use kalk water ONLY for topoff, which is why I thought the suggestion about using a weaker kalk solution may be my answer.
Thoughts?
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-Mason
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