Adding kalk to vinegar dosing with two part

[mstockmaster]

I've been vinegar dosing for a little while now at a relatively low rate, 10ml/day. Along with the chaeto this has done a good job of keeping nitrates and phosphates in a really good range without going sterile. However I've been having issues keeping ph up. It's stable at 7.7 but would like to raise a bit higher for safety sake. I'm also dosing two part and so far am stable at CA 470 and KH 8.3. I'd like to get alk up a bit as well as ph. Would anyone know if there would be any benefit to adding a couple of teaspoons of kalk to my vinegar that's getting dosed? I think it would work to help get my target values up but I worry that I'd be playing with too many variables with adding kalk along with the two part.

Any opinions are welcome!