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    Remove old plaster or sand blast?

    I think I do an excellent job of testing, and recording, on a daily basis during run-up early season, then backing off when weather, sun exposure stabilize. I have Excel data going back to 2012. Until I finally realized that the stains on the side of my pool were yellow algae, I had to up the...
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    Remove old plaster or sand blast?

    Sorry, I already posted a new thread about leak detection/management. (Merged threads - TFP Mod) Next question has to do with the new material. I've had plain, basic white plaster. Now I'm thinking about color and texture, which my neighbors have. The first pool contractor mentions three...
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    Remove old plaster or sand blast?

    Thanks. That's what the last two "leak detectors" were doing when they trashed the manifold. They disconnected pipes, attached heavy fittings to the end of the unsupprted pipes to pressurize them, and bang! Everything on the ground. I think a potential problem is with the suction lines. One...
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    Remove old plaster or sand blast?

    Our pool was built in 1978. Toward end of August I noticed I was adding more water than usual. By mid-September I was pretty sure, and started bucket test. No wet spots along any visible surface above the pipes. With normal pump run of around 8 hrs, including booster pump for pool sweep...
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    Remove old plaster or sand blast?

    Thanks for the replies. The "boss" has not been out yet. The young man who did the measurements mentioned sand blasting, which I had never heard of, and certainly not on the prior re-plastering. Except for the straky stains on one of the sidewalls, and the hairline crack, there are no other...
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    Remove old plaster or sand blast?

    We're getting bids now to do some renovation on our pool, built in 1978. Original deck is exposed aggregate, the stones are falling out, and the deck has many cracks. Fairly straightforward, going with a smooth finish. We've had it replastered twice, last time in 2007. The plaster has one...
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    Yellow/mustard algae, forever?

    Red Beard, thanks. Evening FC around 6, AM around 8. Loss of 2ppm, or 25%, pretty consistent with CYA at somewhere between 35-40. I think I'll leave it as is, since I'm in a regular routine, adding 2ppm worth of bleach every evening. Once the season advances, and there is less sun exposure...
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    Yellow/mustard algae, forever?

    Thanks to all for the info, advice. Because I have some difficulty carrying jugs of bleach out to the pool, I was hoping to be able to reduce the volume needed every evening, not necessarily to save a few dollars, but to save my back, hip, etc. So, for me, it is not much different needing to...
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    Yellow/mustard algae, forever?

    Thanks to all. We are in central California. Near 100 F, full sun around 9AM-4PM. I've thought about raising the CYA, but that would mean higher FC to kill algae, and probably more $. I misstated prior FC levels. Used to keep it between 5/3, adding around 42 oz of 10% bleach each evening...
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    Yellow/mustard algae, forever?

    I've had intermittent yellow streaks/smudges along the North facing wall of our pool for years. I tried to convince myself that it was discoloration of the plaster, and would scrub with brushes, stainless steel brushes and a pumice stone. I would keep the FC around 4 minimum, 6 after adding...
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    Falling CYA level

    Thanks for the reference on CYA. We are in Stockton, CA, and have had several 100+ days, but the pool is usually 82-85. I swim laps, but our 5 y/o grandson is in on weekends, so there is little splash loss. No leaks as far as I know. I never let the FC get below 4; I kept the FC level 2-4...
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    Falling CYA level

    I've been adding gallons of 10% bleach this summer, per PoolMath calculator, to prevent a recurrence of yellow/mustard algae this spring. I finally decided to test the CYA (using all fresh TFT reagents). I was shocked to find it somewhere between 1-15, confirmed by multiple water samples, and...
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    Using a floating chlorine dispenser while away? Suggestions appreciated

    You don't indicate how long you will be away. I think you ought to invest in a new chlorinator. If I remember right, the ones that are available everywhere hold around 6 large tabs, which would be good for probably a week, or longer. Is there someone who could 1) test, 2) replenish the tabs...
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    Dirt or algae?

    Hi fellow pool sufferers, I mean lovers. I took the cover off my filter. The elements, installed new on 4/10/17, show a little dirt, but nowhere what should be accumulated after nearly 2 months. Next, I closed the baffles on the skimmer inlets, so all suction goes through the bottom drain...
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    Dirt or algae?

    Thanks to all for replies. OCLT: PM: 4.5; AM 4.0, CC: 0.0 No apparent excess chlorine consumption, or binding to bad stuff. The stains on the sides are streaky, and appear greenish, so probably algae. But, I tend to pour the bleach in that area, so maybe stains. They do not brush off very...
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    Using a floating chlorine dispenser while away? Suggestions appreciated

    I found a floating chlorinator at HD a couple years ago, which is double sided. I think it holds about 10-12 3" pucks. I fill it up, leave it set about 1/2 way open, and have a neighbor top it up as needed, after a week or so. We've been gone up to 2 weeks, and find the chlorine levels are on...
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    Dirt or algae?

    This winter was very wet in central Ca. I was brushing the pool almost daily, and not using any chlorine (bleach). No algae noted. But, afetr the rain stopped, and leaves stopped blowing in, I still have what I thought was dirt on the bottom, sides, steps. Started chlorinating in March...
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    Problem with R-0870?

    Rebecca, from TFT test kits and promptly sent me replacements for the FC reagents, R-0870 and R-0871. The replacement reagents arrived yesterday. The powder is virtually pure white. I have not seen it like this in prior shipments. I tested the pool water this AM. The powder dissolved...
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    Problem with R-0870?

    Interesting, but Taylor does net mention any functional interference with the test, or staining/etching the plastic test vials. Thanks for your interest; I'll post a follow-up after trying the new reagents. In the meantime, I'll just use OTO. I'm very poor at matching colors, but the results...
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    Problem with R-0870?

    Thanks for your timely reply, and generous offer to replace the test reagents. Also, my apologies for misreading the shipping costs. I had another look, and find them to be very competitive, at least when using USPS. I've bought test material from you since 2010, and plan to continue. Jerry
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    Problem with R-0870?

    JamesW, Thanks; at first I thought your advice was nuts, and that I did not have the reagents. Sorry. My results are above. In the end, it appears that all water I put R-0870 into gets purple. I can sort of tell in doing the routine FC test when it turns from pinkish to purple, and that is...
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    Taylor test kit

    Very interesting, and glad to find this thread. I just posted a new thread, "Problem with R-0870" with similar issues. I can't get the solutions to go clear during the test, and am guessing at the results. Never had this before in 4-5 years. My test kit is inside my workroom, not air...
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    Problem with R-0870?

    Thanks for the great suggestion. We have a private residential well, with no additives. I just tested and found that after adding a scoop of R-0870, the water turned light purple, with undissolved particles floating around. I could not get it to clear after adding 20 drops of R-0871. I...
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    Problem with R-0870?

    Been using this method 4-5 years. Fresh reagents from TFT this spring. When testing for FC, the color is initially deep pink. Adding R-0871 eventually turns it to pale purple; it has not gone clear in weeks. I'm guessing at the FC level, around 2.5 and adding bleach accordingly to get to...
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    Push CYA up, or keep adding bleach

    Thanks to pooldv and oldguy70 for your rational comments. I just finished adding the nightly dose. Doing so means lugging the gallon jug, plus my measuring cup. With some mobility issues, this could be what pushes me to increasing the CYA, and therefore being able to carry the bleach only in...
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    Push CYA up, or keep adding bleach

    Here you go with my location. I know about higher CYA. My problem is that when we are away, we use pucks, which drive the CYA up. A couple years ago, before I knew about TFP, I used pucks all the time, and had CYA above 80, with all the headaches of Cl, etc. I could not get rid of it...
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    Push CYA up, or keep adding bleach

    I've been using bleach for several years now. Pool water is clear, no evidence of green. Trying to keep FC 3.5-4; CC always 0-0.5. I find each day it drops from 4.0 down to 2.5 by evening. Based on pool calculator, I add 42 oz. of 10% bleach each night. Last spring I drained about half our...
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    Chlorine and chloramine

    Thanks for the replies, especially to Joyful Noise. That makes the issue understandable. We get water from a private well, which is untreated, but our son lives nearby, where the service recently switched to chloramine. I'll send him this post. Thanks again.
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    Chlorine and chloramine

    Thanks for the reply and the link. I must have a mental block on this subject. My question remains. According to the site in the link, the target maximum level of chloramine, when used as a disinfectant, is 4 ppm. Then why do we get upset when the level in our pools gets to be 1 ppm? Should...
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    Chlorine and chloramine

    Based on my readings at TFP, and the test kits, when there are measurable levels of combined chlorine, it means that there is likely some bad stuff in the pool that the FC level is not taking care of. Since using the TFP method for 3-4 years, life is pretty simple, my pool water is clear, no...