i'm new here, hope i'm doing this right......I have questions about pool chemistry what they should be and what to do if they are out of range.

our pool is 10,000 gal 10x20 saltwater splash pool, it was finished being installed in Oct 2012. the pump is Pentair variable speed, intellichlor salt generator and the filter is astral viron cartridge filter.

we have a calcium problem. it has kind of made the plaster rough and white. at least twice a week i'm scrubbing the rock around the waterfall to try to keep the buildup off of it and really the tile line too, tho it seems much worse at the waterfall.

I use a aqua check tru-test digital test strip reader, here are the readings from today....
chlorine 10
ph 7.9
alk 108

we do have a pool guy, i'm just not sure that he is doing what the pool needs?