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    Sand Filter needs backwashing OFTEN, could i have gunk?

    One last photo posting from when I sifted out the junk from the sand several days ago. Most of the sand looked like the sand on Daytonna Beach, super fine and went right thru my strainer but I did have some larger grains? as pictured here. Does pool sand have different size grains in the...
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    Thanks JasonLion, I do have EasyTouch automation by Pentair (as noted in my sign). I see in the program two choices for changing the % of output for the SWG. Pool and Spa. Actually when you raise or lower the pool it will automatically change the spa accordingly. For example when the pool is...
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    Funny, not really... Funny thing... (not really) after all the work I am pretty sure that the SWG is a bad cell after all the hard work. When the green tint to my water started almost 2 weeks ago I looked in my filter and saw the gunk and assumed that the gunk was causing the algae and that...
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    Re: Invest in Skimmer Socks! That is a good tip and thanks. I did have the most yellow pine pollen I have ever seen this year. My neighbor sez he is going to cut his pine trees this fall so that will help but this should slow the debris and pollen from gunking up the filter. I will try it...
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    sorry guys It looks like someone edited my signature for me while I was out! A little surprising to me. I would have been happy to change it my self after the PM and fear that someone would think I was shouting. :? I think there may be a little overreacting by some of the folks on the...
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    any more help guys? Thanks,
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    So far so good... [Edit: To remove large bold font: jjparrish] I am still dissolving the CYA slowly. From my reading on this forum, as the CYA goes up the FC needs to be higher to provide the shock value. That is probably why Dave, Jason and others suggested to start at 20 FC so as my CYA...
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    test kit question Dave, Bill and JasonLion, + anyone else who can help? I got my test kit last night back. I put in the CYA and 8 gallons of bleach as directed by the pool calculator to get me to 20 FC. Now I have a slight problem. My test kit is a K2005 Complete [high] not a K2006. I can't...
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    Thanks JasonLion, I just got my test kit back! PTL I also picked up some 6% bleach so I will add 8 gallons according to the pool calculator to go from 0 to 20. When I wake up I will test the FC and figure out how much bleach to put back in to get it to 20 again. Then periodically thru the day...
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    Dave, I am going out right now to try and get my test kit back so I can be accurate on the 20 FC. Should I pour the bleach directly into the skimmer? Slowly? all 8 gallons at once with pump on high / low what? I did the sock thing you suggested. When I came home a minute ago it doesn't look...
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    I have to leave the house for a few hours. I have suspended six lbs. of CYA in socks in the pool. I cleaned all of the junk/gunk on top of the sand I could get to. What should I do next? Pour bleach into the skimmer? Thanks, Dwight
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    I check and GA pools stores say they can't sell liquid chlorine. He said "did you hear that in Florida". Which I actually have a friend in FL that uses liquid. Thanks
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    JasonLion, Thanks that helps. What is the best CH # for a vinyl pool? I have been letting it run low and not wasting the money but if I use Cal-hypo for this shock... what is the range I don't want to excede for CH? Also I remember that one of the numbers (maybe CYA) was different for vinyl...
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    help needed to kill funk I am trying to attach more pictures but I think I hit the limit somehow.
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    help needed to kill funk Thanks for the advice and I agree. I initially bought one at the beginning of last year and at the end of the summer I loaned it to a friend and am waiting on him to give it back! I sure can't wait on anything with the algae growing right now and need to get this...
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    I will go to the store now and recheck the water before I start. BTW, What is mustard / yellow algae? Can you tell from my photos if that is algae and mustard algae? Is it harder to kill? Does it really matter? I just see several references on this site to mustard algae but didn't see an...
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    Sand Filter needs backwashing OFTEN, i have gunk How 2 rid? my water is looking much "greener" today. Getting cloudy. Oh and the Clorox was $4 for a 1.42 gallon jug at HomeDepot. Still that is going to cost about $85 for 30 gallons. Is that the best way to do it? Is the "outdoor" Clorox...
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    Okay thanks guys. Here is the test results from 4 days ago. I can go to the pool store today and get the water checked again. FC=0.5 CC=don't know how to get this pH=7.8 Alk=120 CYA=0 CH=140 Phosphates=100 Salt=3000 Is this gunk just on top of the sand so after I scrap/sift out the top then...
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    UPDATE on sand filter problem, HELP Okay it was last summer when I posted this topic. The water was clear the rest of the summer and I decided not to open up the Triton II sand filter. This year (about 3 weeks ago) I started getting algae build up when the weather warmed up. I shocked and...
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    Yes I have a SWG, it is an Intellichlor. My FC is going up and down but I had 10 little boys on Tuesday and 14 girls on Thursday for swim parties. I would expect that many swimmers will hammer the FC down to "1". I will run a SUPERCHLORINATE cycle this week and check it again on Friday. Then...
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    I do backwash for 2-3 minutes and rinse usually 30-40 seconds. It is very clear. It usually clears in about 45 sec to 1 minute in backwash. Chlorine 3 Salt 3200 PH 7.8 Total Alk 120 Calcium Hardness 160 CYA 100 The only thing the pool store suggested was Hardness increase of 15 lbs. After...
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    Yet another new pool owner question

    dolemite77 7-8000 gallons seems like a small # to me. I have a 25K gallon pool. It has a deep end with a diving board and large shallow end. The shape had a name (i have forgotten) and i just called the manufacture or emailed them and they sent me the specs with the # of gallons. Try that...
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    Sand Filter needs backwashing OFTEN, could i have gunk?

    I have a new pool finished in about August/September. It had two big leaks and was loosing a lot of water every day. The builder would not return to fix the leaks since he had final payment. He thought I was an idiot who could not measure water loss and kept blaming it on evaporation. He is...