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Ok, I'll get a test kit that includes CYA and Calcium (the only two I am using a strip for, the others are liquid tests and valid measurements). Also, the pool store results use liquid kids, and I believe are reliable. FC, means free chlorine? Aside from that, the question remains: Is it...

I have a liquid test kit for alkalinity and PH and test strips for others including calcium, these tend to agree with the pool store Agree I'm not getting it right... I think I'm just understanding and researching which is late. Thought the installer gave me what I needed, the pool store won't...

Also, deepest is 8 feet

Yes, I've seen this. there seem to be multiple approaches. It seemed like the higher alkalinity approach (keeping alkalinity high for the first month) made a tougher surface from the bicarbonate startup, and the dust keeps coming. I suppose I could drop this approach and stick to the normal...

Correction: Calcium hardness = 225

The pool was replastered 6 days ago. The calcium is low. As per the bicarbonate startup method (though the installers didn't do the bicarbonate, have been raising the bicarbonate, with a goal of 150 -200 for the first month. yesterday I added bicarbonate and calcium, only about 2 hours apart The...