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    Need pump recc' asap!

    old Challenger High Pressure 345201 pump just broke - backplate blew a piece off, no salvaging it. Is there a go-to pump? basic, vfd or 2-speed, no automation or anything. need it asap. Quality over price. 1.5+hp. 90% of the time I ran the old one at low speed to circulate. Thanks in advance for...
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    Correct way to abandon in-floor system?

    had the pool re-plastered - in-floor system was fully functional but never used it, didn't do anything to keep the pool clean. I had the contractor abandon the jets in the pool. Now, how to I 'properly' abandon the water distribution system @ the pump? I assume just cut it all off and cap it.
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    Refresh a 33k gunite pool

    Plaster is 16yrs old (!) old and has been 'mottled' since I bought the house 12yrs ago. I've taken extremely good care of the pool so it's in great shape other than the mottling. old pic, but looks the same. Ignore the debris:) here is a quote from a well regarded local company Honestly was...
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    Getting rid of Phosphates cured my 5yr standoff with black algae

    Wanted to share I documented my issue here: https://www.troublefreepool.com/threads/very-sad-return-of-black-algae-after-slam.161684/ Small specs of black algae on the plaster and grout. Pool had been SLAMMED to 100ppm for 20 days, FC kept elevated etc. Pool always passed the OCLT and CC always...
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    VERY SAD: Return of Black Algae after SLAM

    The Setup: SWG Gunite pool, plaster is 13yrs old, well cared for. But some areas of degrading tile grout esp around skimmers. Typical reading before SLAM (I kept it pretty consistent): FC 5 CC 0 pH 7.7 TA 70 ch 400 CYA 80 Salt 3000 Daily sweeping/skimming. I do 100% of the maintenance and use...
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    WHOA! What ate my SWG cell??

    This is a 4yr old Compupool CPSC48 SWG. The cell is about 2yrs old. Just in the last few weeks it delaminated / corroded / separated; the plates are disintegrating, the connection to one plate is gone and the cell is dead. The original cell was replaced under warranty when the...
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    Gunite discoloration

    What is this discoloration and should I do anything about it? Ignore the debris on top - I'm talking about the splotchy discoloration Facts: I've had the pool 5yrs Gunite is 8-10yrs old I'm pretty sure p.o. had issues with low pH (some grout corrosion around tiles evident) and high pH...
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    4X Pressure to 4X Suction?

    Morning folks I’ve had the Poolvergnuegen 4x Pressure unit in my 35k gunite pool for a couple years. It does well except for not getting the fine debris/dust/dirt which flows through the bag and back into the pool, or is just not picked up. I miss my old kreepy-crawly style vacuum for only...
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    Managing high CH

    it's expensive and a hassle to drain water, replace, dose it all back up with salt, borates cya. Here are the current numbers, SWG in a gunite pool: FC: 6 pH 7.6-7.8 TA 90 CH: 600 and climbing! CYA: 80 Salt: 3000ppm Borate: 40 Temp: 84f Pool Calc does not raise any red flags - mild CSI...
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    Water check!

    This is a 33k in ground gunite SWG pool CL 4 PH 7.7 TA 40 CH 550 CYA 30 SALT 4000 Borates 30 CH – at what point ‘must’ the water be replaced to reduce CH? 750? 1000? Incoming water is 120ppm, it is no minor expense and hassle to drain the pool 2/3 and refill, dosing up salt, cya, borates...
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    Liquid Solar Blanket experience

    My experience with liquid solar blanket I’ve seen ‘tropical fish’ and ‘solar pill’ liquid blankets. It is just wax in isopropyl alcohol. The alcohol is water miscible and will evaporate. The wax forms a layer on the water to reduce evaporation. Evaporation causes temperature loss in...
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    Clearwater LM2-24 - salt cell on the way out?

    I have a Clearwater LM2-24, 4-6yrs old (came with house). The problem started this season: the 'low salt' light is on and the unit will not go above 40-60% output. Manual calls for about 3600ppm (iirc), and the pool is at 3800-4000ppm (test with strips and chemical test to verify. Water temp is...
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    change motor to 2speed

    I have a single speed motor - Specs: AO Smith Centurion 1.5hp Threaded Shaft Square Flange 56Y SF 1.5 fr y56y hp 1.5 volts 230 I want to change it to 2 speed. Would the Emerson SQH15FL2 be a direct fit? 1.5hp 230V 1.50hp 56Y frame Pricing seems to be $200, which is great! Understood I...
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    OCLT minor question

    I plan to perform the test tonight to verify the pool is in good shape How much will the OCLT be affected by windy conditions, and any minor debris in the skimmers/vacuum bag? Should the pump be left running, or shut off? Wind is a fact of life here, and we have lots of trees etc in the...
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    Replace SWCG: Cell size vs. Runtime etc

    Please check my reasoning! Bear with the long-ish description: :blah: My SWCG is undersized: 25k unit in a 33k pool. It’s also getting old (5yrs) so I’m researching a replacement. I’m trying to determine optimal cell size given the needs. A caveat is that the big 2.25total hp pump...
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    Managing high CH in my SW pool

    I have high CH – incoming water around 200ppm and lots of evaporation. Last year it got to around 650 :shock: , doing my best to manage it with good pH control. Partial drain/refill last month got it under 400. Drain/refill is several hundred dollars between water, borates, acid, salt…...
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    skimmer corrosion

    I have bullnose brick supported by a metal plate over the skimmer entrances. The pool is about 25yrs old, converted to salt maybe 5yrs ago (I've been here 1 yr). 3500ppm The metal plates are severly corroded, staining the tile, big rust chunks fall off from time to time. My worries are: 1)...
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    High-ish CH... double-checking

    Just checking - I think I know what to do but would appreciate some feedback FC 5 pH 7.8 TA 70 CH 430 CYA 90 (dosed it up for sunlight protection) Salt 3250 Borates 50 Temp 65F yielding a CSI of -.36 according to the Pool Calc. As the temp drops the CSI will continue heading down. I have nice...
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    ThePoolCleaner & poolservicestech.com Review

    Howdy folks I bought a pressure-side "ThePoolCleaner" from friendly simicrintz, poolservicestech.com, and thought I'd share the expereice. Based on reading this forum I narrowed down my cleaner choice to this model. My pool gets a fair amount of big stuff - oak tree acorns, big leaves etc...
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    Polaris 360 or ThePoolCleaner suction side?

    It's been asked many times already (i've done some searching & reading!) but wanted to validate my thoughts with you all... Situation: 33k gunite inground pool 2 skimmers & 4 wall jets no dedicated pressure or suction lines Plan to install big 2spd pump & run 24/7 on Low Want a pool cleaner...
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    Re-configure my system

    The current system is as below, quite complex: 2 pumps, lots of valves, jets, fountain, and floor system, salt cell. Acid dosing as well. Issues with the current system: -energy hog -when both pumps are running, floor system is very strong but jets (and Leaf Devil, not shown) are very weak...
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    shot pump bushing

    A couple weeks back I noticed a lack of pool pump humming - upon investigation, the timer was calling, voltage was present, but no pumping! I took it apart and found this bushing had worn out, fell into 2 pieces, and jammed together, stopping the pump from rotating. It is placed in between the...
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    Dosing acid... and Bleach

    I have a SW pool. The SWG is undersized for the pool - at 100% output it does not make enough FC. All else is good - runtime, all other chemistry. I'm going to start supplimenting with bleach to get the FC up. I've already rigged an acid doser to maintain pH, using drip lines & fiitings...
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    All good but low FC

    Excuse the long post - I've tried to add all the relevant info :blah: My new (to me) pool seems to like low FC for some reason. I bought the place Oct '09, so this is the first season I've been managing the pool. 33k gallons gunite Clearwater SWG DIY acid dosing system DE filter Salt 3200ppm...
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    Re-configure pumps?

    Howdy all I have a pretty complex system, see below. The main 1.5hp outlet goes to 2 places: directly to the jets, and through a seconday 0.75hp pump, then the salt cell, then the floor system. The current system flows kinda weird when both pumps are on. The jets get little flow while the floor...
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    Random Test Numbers *and* possible CL generator issue

    I have 2 minor frustrations about my salt water pool.... 1) Some of the numbers from my test kit (the "big" TFP kit, 6mo old) disagree with the local pool store's numbers. Pool store / Test Kit Alk: 70 / 90 CH: 280 / 420 CYA: 59 / 90 who do I believe? I ran the test kit 3 times, it is...