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    Deep End Main Drain vs. Downward pointing Return

    Would a main drain system help improve pump efficiency then if it prevents starving? Does it improve suction? This seems to be the only argument for or against.
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    Deep End Main Drain vs. Downward pointing Return

    Great info, thanks everyone. Jason: I do plan on having a 48" sheer descent water feature. Would this change anything in your opinion?
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    Deep End Main Drain vs. Downward pointing Return

    The ozonator I was planning for was a CD type. Most of the guys quoting are saying it's the way to go these days and it lowers the Chlorine concentration required. They also say that SWCG's are good but then you have to deal more with pH unbalance.
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    Deep End Main Drain vs. Downward pointing Return

    What are the advantages and disadvantages of a main drain vs. additional return?
  5. C

    Deep End Main Drain vs. Downward pointing Return

    I am planning to install a new vinyl pool, 16'x34'x28' Full 'L', with an 8' deep end. Total approximately 25,000 gallons I believe. 1 quote I've received includes 2 main drains installed 3' apart. Others have quoted no main drain and instead, included an additional deep end return pointed...