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    Undersized IC40? Phosphate Demand? Your advice would greatly help....

    Let le look at the skimmer return idea, they are venturi's maybe I can bypas the wall more than I realized. Thanks!! And thanks to all with idea....I wont try to get much lower than 7.7 and If finish off with a weekly acid baking soda cycle as a last resort.
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    Undersized IC40? Phosphate Demand? Your advice would greatly help....

    Forum friends thank you, I have the FC dialed in now. I am having to run the pump still 12 hours and I have dialed my overflow in circulation down to a minimum. Good news is salt cell is maintaining salt levels at 60% with 12 hr run time. Probably in part because pentair told me to run higher...
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    Undersized IC40? Phosphate Demand? Your advice would greatly help....

    Yes that was some of the idea...the other is I see hegative edge pools but the pretty waterfall part is hidden...seemed better to reverse and I have adult kids and 5 year old kids so 2 depths good too.
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    Undersized IC40? Phosphate Demand? Your advice would greatly help....

    OTE="duraleigh, post: 1674443, member: 69"] As you work on your issues, ignore phosphates. They are simply not relevant. Please read "The "ABC's of Pool Water Chemistry" up in Pool School. Your basic issue seems to be to reduce CYA first but get phosphates off your plate and your balancing...
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    Undersized IC40? Phosphate Demand? Your advice would greatly help....

    Yes....I can not run rain descents but I still need a little flow over wall to get chorline to lower basin. Even still PH high. Each week an acid gallon and it hasnt been enought yet. My next worry is total alk is now good but PH is getting high. Not sure how to address. Any idea?
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    Undersized IC40? Phosphate Demand? Your advice would greatly help....

    Oh and why control to speed vs control to fixed flow?
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    Undersized IC40? Phosphate Demand? Your advice would greatly help....

    Marty!!! Thank you very much. I have an Intellitouch I9 will try to get it added to signature...I am character limited. I will redo CYA and report. I dont want to run for 17hrs so my thought is I am going to argue this with builder and try for swap to IC60. Anything you think I should...
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    Undersized IC40? Phosphate Demand? Your advice would greatly help....

    I have a new fancy pool but I have to add liquid chlorine each week. Been active for 3 months but pool builder had maintained previously. I want to understand my system and do it myself, Picture is attached and signature should have equipment details. Here's my story.... (1.) When I first...