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Thread: Filter Gushing Water

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    Filter Gushing Water

    I am new to the pool ownership world. We just bought a home with an inground pool in Ponca City, Ok. The pool is 28x14 approximately 12,000 gallons. The pool is green and crawling with algae. The filter is a Pentair FNS Plus 36 D E.

    30 seconds after I turned on the pump, water started gushing out of the filter. I immediately shut off the filter. I have not touched the pool or filter since. I don't have a clue where to begin.
    HELP!!!!

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    Mod Squad zea3's Avatar
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    Re: Filter Gushing Water

    Hi, welcome to TFP! Where on the filter did water start to gush out? I could be the plug was removed at the bottom of the filter. It would be help us trouble-shoot your filter if you could post a picture of the problem.
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    Mod Squad jblizzle's Avatar
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    Re: Filter Gushing Water

    Welcome to TFP!

    You are going to have to be a little more descriptive regarding this gushing water. Where is it coming out? Maybe a picture would help.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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  4. Back To Top    #4

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    Re: Filter Gushing Water

    It is gushes out from the filter lid , where it fastens on to the filter. I will have to restart it in order to show you.. I will take a pic tonight when I get home and post it. Thanks for the feedback. Really appreciate it.

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    Mod Squad jblizzle's Avatar
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    Re: Filter Gushing Water

    I am not sure what a filter lid is ..... but I am starting to suspect you might be mixing up terms because a filter can not be turned on and off, it just filters the water. The pump / motor is what is turned on.

    Please add your pool details to your signature as described HERE as it will help us help you in the future.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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  6. Back To Top    #6

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    Re: Filter Gushing Water

    I apologize for my ignorance and lack of knowledge when it comes to pools, this is my first experience with owning one. I will make sure I read the pool school portion of this site as well and put as much information as I can in the signature element (not sure exactly where that is on this site, but I will figure it out).

    As for the problem at hand. I should have been more descriptive. Approximately 30 seconds after I turn on the pump, water begins to gush out of the area of the filter that appears to be the place where someone could unscrew a binding of some sort and possibly lift the top of the filter housing off (or open the housing). I am guessing that is where the filter itself is located. I have taken a photo of the water gushing out of the filter housing , along where the binding I mentioned above is located. Hope this picture will give you some sort of idea of what I am experiencing. I did not have a video camera handy at the time, so the photo is the best that I can provide at the moment. Pentair FNS Plus 36.jpg

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    Mod Squad jblizzle's Avatar
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    Re: Filter Gushing Water

    No worries, we will get you straightened out

    The band on your filter is not tight at all. In fact potentially unsafe as the top could blow off. You need to tighten that nut, alternating with tapping around the band with a rubber mallet. That spring should be compressed.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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  8. Back To Top    #8

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    Re: Filter Gushing Water

    Thanks for the feed back. Really appreciate it. I will get working on that band and hopefully that will solve the filter issue. The maybe I can move on to that nasty looking algae infested pool (what a mess that is). BTW jblizzle - Just an FYI - My wife grew up in Tucson and attended Sunnyside High School. I just found the Tucson connection interesting.

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    Mod Squad jblizzle's Avatar
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    Re: Filter Gushing Water

    BTW, on my filter which has a similar band, I am supposed to tighten the nut until the bolt sticks out about 1/8" ... but mine is a Hayward, so not sure what Pentair recommends.

    Also, since it is mostly off. I would suggest you take the band off and open up the filter to clean and inspect it. This might offer a little help on cleaning it: DE Filter Cleaning Tutorial
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Re: Filter Gushing Water

    Quick question. If we decide to empty the pool and scrub it real good, cover it and refill it next spring. Will the frigid winters we experience in Oklahoma, cause any long term effects to the pool? Also, Does the pump need to be working in order to empty the pool?

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    Mod Squad jblizzle's Avatar
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    Re: Filter Gushing Water

    Please add your pool details to your signature as described HERE as it will help us help you in the future.

    Usually it is not a good idea to fully drain and leave an in ground pool empty. If your ground water level is high, the pool could float out of the ground. And I am not sure what the freezing ground may do to it.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Re: Filter Gushing Water

    OK, we have decided to try to work through this. I just hope I don't mess the thing up so bad it will cost a fortune to repair. I have added my pool Details to my signature as requested. Let me know if I missed anything. I will probably be bombarding this site with all sorts of questions, you all will probably think I am a lost cause. Anyway, thanks for all the help, I really do appreciate the patience. So, Here goes. I am really scared about tackling that filter, because I truly do not know a flip about what I am getting into or how to do it, without messing something up. I am really nervous about this process. Stay tuned folks, this could get very interesting. I just made a correction to my signature. I added that it is a DE Filter.
    Pool Data:

    12K gal, IG Vinyl, 1.5 HP Whisperflo Pump, 36 Sq Ft Pentair NFS Plus 36 DE Fiter. Pool Built 3-7-2007

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    Re: Filter Gushing Water

    If you want to get this pool up and running, you should take some time and click through links in my signature. Read up on pool school. Order a test kit (best money you'll spend on the pool). Avoid the pool store. Stock up on a dozen gallons of bleach for the upcoming SLAM process to clear your water.

    Welcome to the forum!
    45'x12' 17k gal, IG plaster, Pool Pilot Nano+ SWG, 1/2hp Whisperflo pump, PAC-FAB TA-60D sand filter, Raypak 266 heater
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    Re: Filter Gushing Water

    Welcome to the forum

    +1 , what he said except I'd likely go for two dozen gallons. A green pool will eat a lot of chlorine. Here is a tool to compare cost of bleach. Because they come in different size bottles and different strengths it's hard to figure out what is a good deal. This will compare the cost of the actual bleach in the bottle. http://poncatechsquad.com/Dan/Chlorine/
    You don't want to get scented or splashless, they can cause problems and foam. If it's "concentrated", it's just a stronger concentration in a smaller bottle and it's OK.

    Here is a manual for Pentair DE filters and on page 3 there are instructions on that clamp/band installation. http://www.pentairpool.com/pdfs/FNSPlusOM.pdf

    When in doubt there is always you tube. Ton of stuff on pools there to help you out. Between youtubes show and tell and us we should be able to walk you through anything you're in doubt about.
    '70s IG Vinyl 32K gal, Lazy L, Hayward SuperPump 1.5hp 120V, S240 Sand Filter W/DE
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    Re: Filter Gushing Water

    +1 to kiss4afrog's comments about youtube. You can learn ANYTHING from youtube. (I think there are even tips on brain surgery and rocket science). Just watch several different ones and you will see them encounter various different problems. Cleaning that filter and changing the DE is not that difficult. You can do it!!
    Good Luck and you will be enjoying your sparkling pool in no time!!
    17500 Gal Above Ground, 1.5HP Dynamo Pump, 250# Pentair Sand filter with ZeoLite. Diver Dave Cleaner. TFP test kit w/SpeedStir, 7 Grandaughters and 1 Grandson swimming every week WooooHooo!!

  16. Back To Top    #16

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    Re: Filter Gushing Water

    Are we talking Clorox type bleach that you buy from the grocery store?
    Pool Data:

    12K gal, IG Vinyl, 1.5 HP Whisperflo Pump, 36 Sq Ft Pentair NFS Plus 36 DE Fiter. Pool Built 3-7-2007

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    Re: Filter Gushing Water

    Yes you could buy Clorox. However you are simply looking for plain old Bleach. You can get the "store" brand but NOT the splashless or scented kind. It comes in various strengths. 6%, 8,25% and most Box store Lumber yards (Lowes/Home Depot) have the 10%. Some Pool stores carry the 12.5%. The higher the strength you buy the less you have to lug.
    17500 Gal Above Ground, 1.5HP Dynamo Pump, 250# Pentair Sand filter with ZeoLite. Diver Dave Cleaner. TFP test kit w/SpeedStir, 7 Grandaughters and 1 Grandson swimming every week WooooHooo!!

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    Re: Filter Gushing Water

    Just laundry bleach, Clorox, Walmart Great Value, ... You can also get liquid pool shock which is just bleach but usually stronger 12.5%
    Some hardware stores or pool stores carry it in bulk and they refill your container. Usually it's cheaper to buy that way and you also don't have all the plastic bottles to recycle.
    Attached Images Attached Images
    '70s IG Vinyl 32K gal, Lazy L, Hayward SuperPump 1.5hp 120V, S240 Sand Filter W/DE
    Solar Blanket, Well Water, Borax Added, TF-100 tester. ? too cold
    1979, 275gal Conway Emerald Spa P-100-2, ES-2 Spa Pack, bromine floater, indoor
    TF-100, Best test kit - TFTestkits.net
    Please help keep the lights on, become a TFP Supporter!

  19. Back To Top    #19

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    Re: Filter Gushing Water

    A couple of quick questions.

    1. After I take a part the filter and clean it, then turn it on, do I need to add the DE into that algae infested pool (thru the skimmer), before I add the bleach?

    2. Will the Algae in the pool make the DE clog up the filter?
    Pool Data:

    12K gal, IG Vinyl, 1.5 HP Whisperflo Pump, 36 Sq Ft Pentair NFS Plus 36 DE Fiter. Pool Built 3-7-2007

  20. Back To Top    #20
    Mod Squad jblizzle's Avatar
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    Re: Filter Gushing Water

    Yes you have to add the DE through the skimmer.

    Yes the algae is going to clog the filter quickly, the downside of efficient DE filters. Backwash when the pressure rises 20-25% over the clean pressure.

    If you have recirculate function, you could use that until the algae is dead.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

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