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    Is This Adding Metals To My Water? (Pics) What Do You Recommend For A Fix?

    Thanks for your help & advice, duraleigh. And great question. I'm dumb not to have addressed this. My water has copper in it. 0.1 to 0.4 or so, but these tests were done when it wasn't in solution (via the citric acid) I have the worst success with screws. I always seem to end-up buying ones...
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    Is This Adding Metals To My Water? (Pics) What Do You Recommend For A Fix?

    Hi Hoster. Thanks very much for your helpful insight. Sorry we're both dealing with skimmer box rust issues. Boy, those photos you posted are alarming. So that entire square frame rusted? Was that behind the plastic? (I don't know what mine is...just that I see the rust on the screw heads). I...
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    Is This Adding Metals To My Water? (Pics) What Do You Recommend For A Fix?

    Hi Ajw22. Thanks for your reply & help. I was thinking that might be my Option #4...just leave it as is. I guess my concern is that just that level of rusting could taint the water with metals. But I don't know if it takes a a big amount of rusting...or a little amount to affect the water.
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    Is This Adding Metals To My Water? (Pics) What Do You Recommend For A Fix?

    Hey there fellow TFPers. I've facing an issue here, and just as I'm going to close the pool. But I think that may work out well, as I have to lower the water anyway. The screws holding the skimmer in place are rusting after 40 years. And yes, I tested and there is metal in my pool water. I'm...
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    Iron Stains: Do Ascorbic Acid + Sequestrant prior to using CuLator bag?

    mknauss and JofulNoise, thank you for replying with such quality information. TFP forums have the best people. Well, at this stage...I ordered one CuLator packet/bag. So...I guess I'll have to give it a shot. Though in reading more about the ion attraction and thinking of the physical movement...
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    Iron Stains: Do Ascorbic Acid + Sequestrant prior to using CuLator bag?

    Hi all. Happy Summer '22. I've done two partial drain & fills over the years in an effort to remove metals. But it's too costly to keep doing. So I purchased a CuLator bag, and hope to get the remaining .45 iron out of the water. This is just a question about your thoughts on the process...
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    What to look for that indicates your CYA Reagent has "Gone Bad"?

    Well, I performed the overnight chlorine loss test per your suggestion Mdrgger88. No change/decrease in FC at all! I ran the pump for thirty minutes, collected the sample and it tested at 4ppm. Same drill done this morning, and it also tested at 4 ppm. I'm going to check/test the chlorine next.
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    What to look for that indicates your CYA Reagent has "Gone Bad"?

    Great suggestion, Mdrgger88. Didn't think of that, and it's a great idea.
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    What to look for that indicates your CYA Reagent has "Gone Bad"?

    Hi Ajw22, - No, I have not done that. But that's a great idea. I'll do it tomorrow to see what I'm actually raising the FC to (half hour after adding it) - In the past I've tested the strength of my CL, and perhaps I should do it again. Good thought! - The dates is May 19 on the liquid FC I...
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    What to look for that indicates your CYA Reagent has "Gone Bad"?

    Ajw22, thanks for your great reply! The CYA Reagent has been stored properly, room temp/or cool, not in direct sunlight ever. The label says it expired 4/2019. Ah, ok. Yes..it would be 50 then. I had forgotten that it is best to round up. For me, and my pool...since I've moved to the TFP...
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    What to look for that indicates your CYA Reagent has "Gone Bad"?

    Hey all. Was hoping that some of our chemist-oriented brethren can assist with some info on this. Yes, I admit...I have so far this season been using expired Cyanuric Acid Reagent. My question is...how can I tell if it has actually "gone bad"? When using it to test for CYA levels, does a "bad"...
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    Seeking Advice: Best Northeast WINTER Pool Cover (Tarp style)?

    Thank you both for your replies! I think I'm going to try to see if I can get an Arctic Armor 15 or 20 years cover. They appear to run $170 or so. I'm hoping they are a tougher/better quality than the Robelle covers I had purchased on Amazon (yuck..substandard quality)
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    Seeking Advice: Best Northeast WINTER Pool Cover (Tarp style)?

    Hi everyone! I don't know why....but I've had such poor luck with winter covers over the last few years. Has quality really dropped? Winter covers int he past seemed to last for 8+ years with no problems. I would like to ask you for some help & advice, in particular those of you that have in...
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    Insights to Speed Up SLAM ?

    Thanks Mdragger88! Great numbers. That water looks so darn nice.
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    Insights to Speed Up SLAM ?

    Thank you, duraleigh. I will certainly consider this. The pool does not get much use during the season. So I've been opening later and keeping it open for about 2 months (July 4th to Labor Day). I'll have to look at the numbers I've kept. It just might be just as cost efficient to open the pool...
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    Insights to Speed Up SLAM ?

    Interesting, Mdragger88. I did not know this! I will certainly consider this in the future. Thank you.
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    Insights to Speed Up SLAM ?

    Darnit...and double darnit, JoeSelf and borjis! Thank you both for your replies. The water won't yet be circulating for a day or so. So it doesn't seem that adding CL ahead of starting the pump will shorten the SLAM...ah well.
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    Insights to Speed Up SLAM ?

    Hi brethren and thanks for your help & ideas. I have used the TFP technique for two full seasons (love it). I've documented the amount of days each season to complete SLAM, the amount of liquid chlorine needed, etc. Last season, it took 7 days to complete SLAM. 7 days of the sand filter running...
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    Advice/Suggestions for Repairing Rusted Metal Coping? (Photo Included)

    Hello all, Our in ground pool is over 30 years old. It's actually still in pretty great shape, but in some sections the metal coping has holes in it. I gather this was caused by rusting over the years. I've posted a photo. Would anyone have any suggestions as to how best to repair this? Is...
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    Difference between Hayward PoolVac XL and Navigator Pro ?

    In addition, besides the cost...is there a difference between a Hayward PoolVac XL or Navigator Pro designated for "concrete" versus one for "vinyl"? And are the replacement parts the same between the PoolVac LX and Navigator Pro?
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    Difference between Hayward PoolVac XL and Navigator Pro ?

    Hey brethren. I am comparing the Hayward PoolVac XL and the Navigator Pro. ...and as far as I can tell there is not much difference? The only difference I can find in Hayward's product description is in the "Programmed Cleaning": Navigator Pro has "Exclusive SmartDrive® preprogrammed steering...
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    How to get through SLAM...faster?

    Ok. Good to learn this. Thank you for your answers & advice aussieta and jblizzle!
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    How to get through SLAM...faster?

    Hey all! Looking over my notes, last year (2018 season) it took 9 days to get through SLAM. Which meant the sand filter ran 24 hours a day for that entire time. Also, in total it took just over 24 gallons of liquid CL (10%) to do it. Can I speed-up this whole SLAM process? (Let's assume the...
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    Calcium hardness and vinyl liners

    Thanks for your reply Poolzz. I understand what you mean, but the "so, so much cheaper" aspect applies in my case as I would be able to use a 50 lb. container of Cal-Hypo 73% for at least two seasons. As far as I know the chlorine in Cal-Hypo does not deteriorate, and as we know the chlorine %...
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    Calcium hardness and vinyl liners

    Thank you for your responses and help. Very much appreciated. If I may ask some follow-ups: 1.) Regarding the cloudiness that is mentioned, is that when the Calcium Hardness surpasses a certain level in the water? And is that level 350ppm? Or a different level? Or is is cloudiness that is...
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    Calcium hardness and vinyl liners

    Thank you for your reply, mknauss! You'll have to forgive my lack of knowledge, but what is it that Calcium scale does to a vinyl in ground pool that is bad?
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    Calcium hardness and vinyl liners

    What specifically is the danger of high Calcium Hardness on in ground vinyl pools? I've searched for relevant threads on the forum, and found this recent thread. Is it that high calcium levels can lead to corrosion of metal pipes? Plastic pipes? The reason I am asking is it appears to be less...
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    SLAM: Why SO Much Chlorine at Opening?

    Hi and happy 2018 pool season. I'm in the Northeast and opened the pool a week and a half ago (I do a short pool season) This is my second year following the TFP method. But I was hoping if some of the seasoned members could give me some ideas as to why I am using SO MUCH liquid chlorine during...
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    Cyanuric Acid CYA "Recommended Range" Question

    Hey, thanks mknauus. Much appreciated info. So the test is +/- 10ppm? Wow! That's a big swing. So really a reading of 40 could be 50? I'm in Orange County, NY. It's the Hudson Valley about an hour+ outside of NYC. The pool gets plenty of sun during the day. It is surrounded by trees though and...