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    Pentair Pool Light Replacement Options

    Our pool has two Intellibrite 5G 12V lights and two Colorcascade Color LED Bubbler lights. Both 5Gs and one of the Colorcascades have died in the last year and our pool service company has been very slow due to the amount of Hurricane Ian work they've had. We've also had a quote for the bulbs...
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    White Wispy Stuff and Chlorine Consumption

    Try and not laugh while I describe some bugs in my pool. I wasn't quite sure where to post this but here goes. A few weeks ago we started seeing quite a lot of a white, wispy residue with small (smaller than a pin head) brown dots in some of it--my first thought was it's pollen but the pool is...
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    IC40 Looks Dead

    About a week ago, I noticed that my chlorine level was dropping off and every other day since then I ratcheted up the IC40 percentage. It's lights had been on but I haven't been paying attention to them. Today I tested my chlorine level and it had fallen to zero, I'd been away a few days. When...
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    Phosphates and rapid Cl drop

    Three times this winter we've had a rapid loss of Chlorine as measured by the Taylor DPD kit. We maintain our pool to TFP standards. Mostly we have sparkling water, but ... On Tuesday and for the past few weeks, our water has been sparkling and clear. (Very light bather load lately.) Here was...
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    FC at 0.0

    Plaster pool, SWG. On Friday morning, FC 6.0 PH 7.6 TA 60 CH 325 CYA 50 Temp 81 Sat AM noticed slight haze. Sat PM more Haze. FC 0.0 Nothing like this has ever happened. What could have happened? (I am Slamming Pool now.)
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    Recovery from Stain Cleaning

    Happy New Year to Everyone and many thanks to the people who spend so much time supporting this forum. The chemistry in our 2 year old, 17,250 gallon, saltwater/plaster pool has been maintained strictly along the specs of troublefree pool. It has been problem free but over the past year...
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    Rising pH and Creeping TA

    Our pool water is sparkling, no problems. I am trying to better understand the source of my pool's daily rising pH and slightly creeping up TA. Pool is plaster with embedded small pebbles. It is one year old. The current pool chemistry is: CL 6.5 CC 0 PH 7.8 TA 80 (acid drops the TA but then...
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    CSI versus TPF Chemical Recommendations

    My SWG pool chemistry is quite stable and the water is sparkling. I wondering though about my target chemistry levels. My SWG is set to produce a little under 2ppm/day of FC and typical of SWG pools there is constant upward pressure on the pH level, which I've been running about 7.7-7.9. If I...
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    Determining Borate Level Using the Taylor K2006 Kit

    I have a tube of the Insta-Test Borate test strips that I've been using for a year. The levels indicated by color are pretty hard to determine and fairly widely spaced: 0 15, 30, 50 and 80. Borate isn't mission critical so I suppose it's not super important to know it precisely. This may have...
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    HELP! Connecticut Pool is Eating Chlorine

    My daughter in Connecticut has a 22,000 gallon plaster pool, constant speed pump, cartridge filter, gas heater. After opening the pool this year, she said the water had been crystal clear but the chlorine reading using strips was low, less that 1 ppm. She went out and got the Taylor K2006...
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    SWG Runtime for Summer in FL

    We will be leaving our relatively new Florida pool (4 months old) for the summer. It has a SWG and the pool will be cleaned and monitored by a service once a week. I'm leaving them detailed instructions about how much of each chemical is needed based on their weekly measurements. Currently, the...
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    Frequency of MA Acid Addition

    Saltwater, plaster pool, pentair IC40. TA 60 ppm, Boric 50 ppm. Using about 3, maybe 4, quarts of acid a week. About 1.5 quarts drops PH from 8 to 7.7. Adding all 3 qts at once drops PH to 7.1, with a CSI of -0.77. i will be gone for several months. Can I have the pool guy add all the acid at...
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    Mysterious Calcium Hardness

    For the last month or so, the CH in the pool has been measuring 400 ppm. Today it measured 450 ppm and I don't have a good explanation for where the additional CH came from. I was so surprised I checked a 25 ml sample and counted 10 ppm drops. No one has added anything with calcium to the pool...
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    Pump Water From Pool

    I've only made a few posts but I've been reading this great Forum for several months now. Our new pool is an 8x50 swim lane, sun shelf and spa. The builder didn't include a valve, like we had on the older prior pool, that allows water to be pumped out of the pool. (We're in Collier County, FL...
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    SWCG Percentage During Absence

    We just finished a pool last December, and we'll be leaving in May for several months. I've been working to get a handle on chlorine and acid usage. Being a new, plaster pool with SWCG the acid usage was constant. As recommended here, I've got borate at 50 ppm and TA at 80, and acid usage is...
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    New Pool Alkalinity and PH

    I've been lurking here for about a year and have finally joined. This seems to me to be the best pool forum on the web. Well done! I live in Naples, FL and finished a new plaster pool in Naples. It's an 8 x 50 swim lane with a 6 x 16 sun shelf and hot tub. It holds 17,250 gallons of water and...