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Thread: MDX Drain Clogged -- Need Advice

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    Join Date
    May 2014
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    Texas
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    MDX Drain Clogged -- Need Advice

    Looking for advice on how to clear a clog in my MDX main drain. It finally warmed up enough that I was able to dive into the deep end to take a closer look and after a series of dives, I was able to get the three phillips screws loose and the main cover off. I found a lot of leaves, small rocks, etc. in there and cleared out what I could but large amounts are still stuck under the next internal drain layer (secured by Security Torx screws). I tried the pump again and isolated to just pull from the main drain and the pump still can't get a solid flow from the main drain. I used the Drain King hose bladder and tried to pump water backwards through the system. Water flowed well it sounded like when using the Drain King, but after switching the pump back on, it is still mostly clogged. Looking for advice at this point...

    Do I try to take the security torx screws out and get access to most (if not all) of the rest of the clog or do I call in a professional or try something else entirely? With the MD being in the 10'+ deep end, things are difficult at best working down there.

    Thanks.

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    JasonLion's Avatar
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    Re: MDX Drain Clogged -- Need Advice

    Welcome to TFP!

    I recommend trying a manual vacuum hose to see if you can suck up any of the debris through the grate. That is only like a 30% chance of working, but it is a lot less work than the next step (which is indeed to remove that grate and clean out everything you can).
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Re: MDX Drain Clogged -- Need Advice

    Rookie Question -- On the manual vacuum, would something like a wet/dry vac with a long hose work or do I need something a bit more pool specific? Still relatively new to this pool thing. I bought a Pool Blaster Max a while back, but that thing is nowhere near powerful enough to do the job -- a bit disappointing...



    Quote Originally Posted by JasonLion View Post
    Welcome to TFP!

    I recommend trying a manual vacuum hose to see if you can suck up any of the debris through the grate. That is only like a 30% chance of working, but it is a lot less work than the next step (which is indeed to remove that grate and clean out everything you can).

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    Richard320's Avatar
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    Jan 2010
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    San Dimas, CA (LA County)
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    Re: MDX Drain Clogged -- Need Advice

    All you really need is a vacuum hose and some way to connect it to the skimmer port.


    They sell these at big box hardware stores, as well as the pool store. And as long as you have the hose and an adaptor - ideally a skimmer plate -- you might as well get the head that fits on your pole... More pictures.

    Weight one end down underwater somehow. The vacuum head will work. Feed the hose down underwater holding it vertical so all the air escapes. Then slap it into the suction port in the skimmer. You now have a vacuum. Swim on down and start sucking the debris out.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    May 2014
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    Texas
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    Re: MDX Drain Clogged -- Need Advice

    Thank you! Will be swinging by the store later today!!

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