Here are my test results done today-
according to the pool calculator in order to get the cya level down to 40, we need to drain about 65% of our water, here are some questions:
1. We are leaning towards renting a pump, we just spent $$$ on a brand new pool pump and don't want to risk anything happening to it, is that best? Will it take a while to drain that much?
2. We would also like to take advantage of the low water level to do some tile cleaning and some stain removal. We aren't sure what caused the stains, our water tends to be hard and the pool also sat half full for about six months growing who knows what. We have a large sun shelf that looks sort of like its crazed, don't know if that's the best description, maybe it's just staining, it's very faint, but it sat dry for that 6 mos., besides other areas that def have a faint staining. Any thoughts on how to treat this?
3. What causes high CH levels?
4. Also need to be prepared for the slam afterwards, do you suggest stocking up on chlorine for that? No way of really knowing how long that will take? Our pool gets about 7 hours of direct sunlight.
There is faint green that can be swept up and vacuumed in the mornings just using two tabs no shocking, after the drain we'll be trying the BBB method!
Thanks in advance!!