Recent content by BS_LM

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    First results. First steps.

    Yesterday's test results: 10:30 AM: pH 7.9 FC 24 CC 0 CH 1000+ (I added 50 drops and stopped when not achieving any change in color at all) TA 300 CYA 85 Salt 4200 Added 2 1/2 gallons of 12.5% LC 2:00 PM: FC 23 CC 0 Added 3 gallons of 12.5% LC 4:00 PM: FC 15 CC 0.5 Added 5 1/2 gallons of...
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    First results. First steps.

    @kimkats and @Texas Splash Thanks for the advice and for inviting in those whom you expect to be authorities on the chemicals/chemistry. As to the last filter clean, this last was done 1 1/2 weeks ago and, since then, the PSI has increased about 10%, possibly in response to the clearing of...
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    First results. First steps.

    @ajw22 Midwest storms typically come with high winds, and as our pool is surrounded on three sides by trees, we are trying to prevent an inordinate amount of organic matter, possibly including branches, from entering the pool. We have seen the light after spending one week plus on this site...
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    First results. First steps.

    Continuing the SLAM saga, this evening about 3 hours after the last results(above), retesting revealed the following: FC: 5 CC: 0.5 The tested water sample, after “clearing” with R-087 reagent, was again tan, but minimally so(not as dark as the pic above). I added 8 gallons of 12.5% liquid...
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    First results. First steps.

    @TurbineTester From my review of a number of related threads, and from comments from the pros here, I’m afraid that our experience, not yours, is the outlier.
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    First results. First steps.

    Quick update to my last post.....5 hours have past since morning testing. Autocover is now open again (heavy rain today, so I had to keep it closed) It is now sunny. Water is much clearer than this morning. I was able to achieve a clear solution when FC testing. FC 33.0 CC 0.0 Salt level is...
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    First results. First steps.

    Sunday pool party was a success! Yesterday was spent SLAMMING all day. The salt level flexed between 3700 - 4500, much higher levels than before SLAMMING. Results as follows for each test: 1st Morning test: (10 ml) Pool water clear. FC 0.5 CC 2.0 pH 7.5 Added 9 gallons of Liquid Chlorine...
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    First results. First steps.

    @Texas Splash Thank you for your thoughts/advice. We have been using pool math for our calculations, assuming CYA of 80, to obtain the suggested amount of chlorine. Unfortunately, this has produced a FC level no where near 30(our goal has been 33) and despite testing sometimes as soon as 30...
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    First results. First steps.

    Pics from this morning...the pool sure doesn’t look like a swamp. I cannot comprehend where all the Chlorine is going! We have added 50+ gallons of 12.5% liquid chlorine after 7 bottles of 10% and several cups of dichlor(no frogabog no dichlor added since your caution:cool:)-all over about 8-9...
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    First results. First steps.

    @frogabog Above is from a 2018 document from our city regarding water quality. The detected range of total chlorine seems too low to account for the CC numbers we have been seeing. @frogabog and @aeh0603 I appreciate your thoughts about the dilution solution. I thought about the chlorine...
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    First results. First steps.

    @frogabog Simply trying to conserve reagents, especially as we anticipate, “any time now,” a bump to FC 30 and the need for 60+ drops to discover this. So a 1:1 dilution with tap water(presumed 0 FC, though we did not test to confirm) and no division by 2 after adding drops, should give us a...
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    First results. First steps.

    Purchased alcohol to clean test vials. Early afternoon, I added 8 gallons of liquid chlorine based on late morning testing (results posted in above thread) Re-tested one hour later: FC: 13.0 CC: 5.0 Then added another 6 gallons of liquid chlorine and tested an hour later: FC: 14.0 CC: 8.0...
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    First results. First steps.

    Completed full testing this morning, but did not have alcohol on hand to clean test vials. I rinsed them thoroughly with water prior to testing. @kimkats Here are my steps in doing the CC test: Put 10 ml water in Chlorine Only cylinder, added heaping scoop of R-0870 powder, swirled to...
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    First results. First steps.

    A little research suggests that a principal additive that will lead to false CC levels is monopersulfate. To my knowledge, we have not added this. Does anyone know if it is commonplace for pool stores to use this when opening pools. We have hired our pool’s builder and operator of our local...
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    First results. First steps.

    @mknauss I made the decision to SLAM instead of drain/exchange 3 days ago when I thought the CYA was at 80(upper limits of acceptable for SWG pool) and felt that SLAMing would be more time efficient, if more costly, than the d/e. Who would have thought that the CC would misbehave in ways that...