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    vacuuming and backwashing during a SLAM

    I'm on day 3 of a SLAM. I can now see the steps, walls, and floor and have brushed most of the algae off the walls. There is a lot of dirt and/or dead algae on the bottom of the deep end that needs to be vacuumed up. Sand filter pressure is up by 25% so it is time to backwash and vacuum. Do...
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    CYA, PH and backwashing questions before beginning a SLAM

    What type of sock should I use to get the CYA into the pool as fast as possible? Would a men's tube sock work or would it be better to use a thinner knee-high dress sock or a much thinner women's nylon? Is there something that I could use to securely close the sock so stabilizer doesn't spill...
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    CYA, PH and backwashing questions before beginning a SLAM

    We opened up our pool and are getting ready to start a SLAM. It is going to be windy and rainy this week so I'm afraid that this SLAM is going to be challenging. Before I start the SLAM, I have a few questions: 1. Is there an alternative method to the “sock in front of a return” method that...
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    conserving DPD powder during a SLAM

    I assume its because the walls/floor are slick so the algae doesn't stick to the walls/floor as easily. I'm also very anal about brushing and backwashing often during a SLAM. I brush several times each day and backwash once a day, if needed. As soon as I can see the floor, I vacuum once a day...
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    conserving DPD powder during a SLAM

    I've already been doing this and the swamp is getting worse. Do you think the SLAM would go faster on Monday if I did a SLAM for one day, and then shock it twice a day afterwards? I usually see the most progress the first day and SLAMS usually go quickly for me since I have a fiberglass pool...
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    conserving DPD powder during a SLAM

    We opened up our pool on Monday and it is a swamp. I've been delaying the SLAM because a local store was supposed to get in some more liquid chlorine and I was waiting for some more DPD powder to arrive in the mail. I finally obtained enough liquid chlorine but I got an email today that says...
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    Doing a SLAM without liquid chlorine

    We just opened up our pool and it is extremely green and full of leaves and sticks that somehow blew under our mesh cover. Our pool pro blindly removed some leaves and sticks but I imagine that he didn’t get all of them since he cannot see the bottom. I’ve SLAMMED a pool many times before but...
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    backwashing during a SLAM

    Is it harmful to your sand filter to backwash often, or backwash when chlorine levels are really high? There is a tree next to my pool that is dumping seeds and tiny leaves into my pool constantly, so I'm concerned that I won't be able to clear this pool up unless I vacuum once a day during the...
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    Advice needed before I start a SLAM

    We opened up our pool yesterday, and the water so green that we can't see the bottom. I checked all of the chemicals with my Taylor K-2006 test kit and everything is within normal limits except for CYA which was 0, PH which is either 7.6 or 7.8, and CC which is .5. I was very surprised to see...
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    Questions before I SLAM

    Do I need to vacuum up the mustard algae before starting the SLAM? As I said before, I really don't want to vacuum to waste if it might lower my CYA level and I'm concerned that if I just vacuum normally that this stuff might clog my filter. I also don't understand how I will know if the...
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    Questions before I SLAM

    I finally got my Taylor K-2006 test so I should be ready to SLAM tomorrow when it finally stops raining and I'll be home to monitor things. I just have a few questions before I start this. 1. Right now, my test shows that my PH is 7.6. Do I need to lower it, and if so, how do I do this? 2...
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    Yellow algae question

    The yellow substance just doesn't look the pictures I am seeing on the internet of mustard algae because it clumps together. If I should do a SLAM, should I vacuum it up and backwash before doing the SLAM or should I wait until after the SLAM before doing this? I finally got my CYA up to 30...
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    Yellow algae question

    If it is dead algae, and the pool water is clear, do I still need to SLAM? There is a tiny bit of algae that I can't get off with my pool brush around the pool light, but the water itself is clear, as you can tell from the picture above.
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    Yellow algae question

    I've been adding a gallon of 10% bleach to my pool each night for the past 5 days to keep my algae-filled pool from getting worse while I wait for my Taylor K-2006 to arrive so I can SLAM. After doing this for 5 days, my pool water is no longer green and is clear, but there is a dirty-looking...