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  1. C

    algae that doesn't go away no matter how high the chlorine

    Thanks for all the input. i hope to try liquid chlorine next season. please let me know how the pool looks when you open it. when it says to have balanced water, i was not thinking of FC that was too high - i thought it meant proper TA, PH and FC at least target, no CC.
  2. C

    algae that doesn't go away no matter how high the chlorine

    Thank you for this thorough review. Even after reading the SLAM article, all this discussion has really helped me understand all the points better. What was totally new to me was the need to test for CH and a better understanding of FC needed to SLAM, which i understood as a minimum and i...
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    algae that doesn't go away no matter how high the chlorine

    The good news is that I vacuumed Friday afternoon and brushed. i didn't notice any yellow clouding up when i brushed, only a bit of brown/grey. So i am cautiously optimistic that i am done...
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    algae that doesn't go away no matter how high the chlorine

    wow! thanks for all the info - which i will have to go through in more detail. but i want to very briefly respond to your ask about progress in water clarity etc. actually my water is crystal clear and i notice nothing on the bottom visually right now. Only when i brush do i see a little bit...
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    algae that doesn't go away no matter how high the chlorine

    i appreciate the suggestion, but its not sounding right to me. i don't see anything on any other surfaces and i think i do recognize this as algae.
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    algae that doesn't go away no matter how high the chlorine

    ok, i understand the risk of chlorine that is too high. but please explain - if normal target chlorine rates DOES kill algae then why did i have algae growing and spreading with chlorine levels waaay above target but below SLAM levels? and in response to my asking why i was not getting rid of...
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    algae that doesn't go away no matter how high the chlorine

    also, are you indeed saying that i can adjust chlorine at 7am to SLAM level - not higher - and then leave during the day and let the chlorine drift below the recommended slam level? this will not allow the chlorine to thrive and regrow? what is recommended when you are leaving home for many...
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    algae that doesn't go away no matter how high the chlorine

    i am happy to stand corrected. i did not realize AT ALL that going above the target by putting in whole bags of shock when i needed a chlorine addition was different than SLAM instructions. Its a new idea to me to measure my chlorine by the oz etc before adding and leaving open unused bags...
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    algae that doesn't go away no matter how high the chlorine

    because i thought that target number is the number at which the algae can't survive. I initially started this thread saying that although my chlorine is kept very high, i still seem to have algae... and i thought everyone was telling me that until i CONSISTENTLY kept the chlorine high enough...
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    algae that doesn't go away no matter how high the chlorine

    ok, so what would be the issue if you could not test the FC every 3 hrs and therefore made sure it was a bit over the target so that you knew it would not fall BELOW target SLAM amount.
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    algae that doesn't go away no matter how high the chlorine

    see this thread: What is the downside to holding FC a few ppm over target based on CYA level? 18000 IG, SWG, 1/2 HP Tri Star + Solar PV direct DC Lorentz pump, Sand filtrt 20000 gallon, Vinyl liner IG, SWG, Sand Filter, Hayward 1/2HP + Lorentz direct solar PV pump Like Quote Reply Report...
  12. C

    algae that doesn't go away no matter how high the chlorine

    1) i want my FC to be higher than recommended for 70cya in case my CYA is a bit higher (up to 80cya). Its hard to determine the exact CYA 2) i cannot have the FC slip BELOW the 28-31 recommended and because i am at work all day and the chlorine gets used up while i am out, i want to make sure...
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    algae that doesn't go away no matter how high the chlorine

    hey! why didn't i see that there were more responses to my posts? i am using taylor kit 2006 (?) not the K-100 (?) I have not tested the calcium b/c i thought that was not necessary for a vinly pool Other test results this week offhand were about FC 30+ CC .02 PH 7.2 CYA 70 and i'm not sure...
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    algae that doesn't go away no matter how high the chlorine

    also, can you clarify? i thought you said that in your 2 wk battle, every few days you had the algae again. but this post makes it sound like you finally beat the algae. so after the two weeks have you determined that you are INDEED algae free?
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    algae that doesn't go away no matter how high the chlorine

    i see that your mustard algae description IS different than what i have. "as a layer of silt" and "nickel sized spots" sounds different that the layer of yellowish streaking on bottom or slope of pool that i see. i sure so after years of thinking i had mustard algae (because a tech told me so...
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    algae that doesn't go away no matter how high the chlorine

    i use calcium hypochlorite...as i responded to last post - I KNOW everyone recommends liquid chlorine but what am i missing? it sounds SOOO impractical.... Who can lug cases and cases of heavy chlorine from the pool store or other store? they are not available for purchase online as far as i...
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    algae that doesn't go away no matter how high the chlorine

    i use calcium hypochlorite - i dont think that contains stabilizer. I KNOW everyone recommends liquid chlorine but what am i missing? it sounds SOOO impractical.... Who can lug cases and cases of heavy chlorine from the pool store or other store? they are not available for purchase online as far...
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    algae that doesn't go away no matter how high the chlorine

    is it really mustard algae? i thought mine was for years... but just this season i started doubting it. someone on this forum said that if its puffing up & clouding into the water when brushed its just regular algae. all i know is that i had a crystal clean pool for years and years with no...
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    algae that doesn't go away no matter how high the chlorine

    why are you saying its not a "one time dose". if i should be maintaining chlorine levels of 28 for example, and i raise it to 40, for example, just so i don't have to be busy adjusting my chlorine 3 times a day, and it stay above the 28 mark for consecutive days, why won't that do the same...
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    algae that doesn't go away no matter how high the chlorine

    because i just put in a few lbs of shock. i didn't measure so exactly.
  21. C

    algae that doesn't go away no matter how high the chlorine

    thanks for the advice. i thought i was done with the chlorine but i guess i'll have to buy more AGAIN....
  22. C

    algae that doesn't go away no matter how high the chlorine

    yes, i've read and read it 100 times. i had the chlorine up in the 30s and vacuumed and brushed. the pool cleared and i didnt lose any chlorine overnight. but i didnt test 3-4 times a day.... i've lost hope, i dont have hours to spend each day by the pool! ok, i'm going to try one more round...
  23. C

    algae that doesn't go away no matter how high the chlorine

    I'm completely exhausted from battling algae that doesn't seem to go away. normally, if during the season i see some algae, i brush, vacuum and shock and leave the filter running overnight. typically the next morning i wake up to dead algae in grey clusters on the floor of the pool. i then...
  24. C

    Mustard Algae Question

    So in normal situations if i have dead algae on the bottom I don't let anyone into the pool until i vacuum it because i don't want to stir it up in the water and have it cloud again. (today, i did leave before vacuuming but that's not typically the case). I do think the water was that clear this...
  25. C

    Mustard Algae Question

    Yes, they are big enough and do help me quite a bit both testing, vacuuming and brushing. So I should be maintaining SLAM levels until no dead algae is falling to the bottom - due to having been stirred up and caught by filter or because it was vacuumed up? I thought once the water was clear...
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    Mustard Algae Question

    Its sounds super cool and well worth the price but i think an app needs a smart phone... which I don't have. So not for me right now. But thank you.
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    Mustard Algae Question

    Oh good. Look at that, i finally did something right :)
  28. C

    Mustard Algae Question

    Yes, this morning there was dead algae which i did not have time to vacuum up. i looks good and dead and I certainly don't think it will POOF. My pump was on all night to catch anything that could be caught. Sure i use the pool math. I just don't use the app. I am not familiar with an app but...