source of high calcium

[Beverly]

Hagen has SW test kits. I use a Hagen calcium kit. 8 drops from the third bottle of the test kit would be very low calcium. Multiply 8 drops by 20 to get ppm with the Hagen kit, which would be 160 ppm calcium in your case. Don't know why your lfs says your calcium is at 800

By all means, get some test kits so you can measure readings at home. From what you say about the lfs, I don't have much faith in them