Recent content by grahahw

i don't know where the truck that originally filled the pool got it from but we get our water from a small community well which serves 60 houses. The water is chlorinated but not fluoridated This color has appeared every time I have added chlorine, but until today always disappeared within a few...

the water is a clear green. not visible particulate. something in solution in the water

I see your site recommends replacing the filter sand after depleting the Baquacil. Does that apply when non chlorine shock is used to burn off the Baquacil? The pool store recommended the shock but made no mention of changing the filter sand

the 11+ was just the tfp target for shock level FC. I have never seen an FC reading higher than 1.5 Pool math keeps telling me to add roughly a gallon of 8.25% bleach every time I test. Is that the wrong amount? I don't have the other values here with me but they were all near their targets

8.25% liquid bleach, I am using a Talylor FAS/DPD chlorine test Am I correct in assuming the pool is currently unsafe to swim in?

We are converting from Baquacil. We removed all the Baquacil with a non chlorine shock, confirmed by pool store test. I have been trying unsuccessfully to balance the pool chemistry. I have been adding about a gallon of 8.25% bleach twice a day as recommended by pool math to bring the FC level...

your answer appears to include both yes and no responses to the question Is it safe to swim if the pool is at the SLAM FC level for the CYA level?

Is it safe to swim while SLAMing the pool?

I'd like to hear what forum participants think about the risk of corrosion for an above ground pool with aluminum walls, plastic rails and a coated steel frame running a modern low salinity SWG.