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    Anyone familiar with DC Motors to run pool pumps?

    Our pool pumps are typically 120 or 240V AC Motors - I'm wondering if anyone's familar with DC Motors to run pool pumps? A contact to call or email so I can buy one would be amazing, or even a website - I already have the control electronics to manage the speed controll of a HVDC Motor - I need...
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    How do you repair your push pull valves?

    Do I throw this whole push pull valve away or is there a split union nut I can purchase? I cracked the nuts when taking out the filter so I could wash the grids and the filter and the top nut is completely gone - kind of like in the picture Does this mean I now need to completely throw away...
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    What's a good place to source DE grids?

    Incase I damage/break my FNS-48 48 sq. ft. DE grids, what's a good place to source them? PS wants $40 per grid
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    Does pricing of pool plumbing parts go up with time?

    Typically manufacturing gets cheaper as better, more efficient processes are discovered and technology improves. 1. Does that hold true for pricing of pool plumbing parts? 2. Has your plumbing parts become cheaper over time or is that part now way more expensive than what it was even if...
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    Help with Biofilms

    Moved from HERE to prevent hijack. I assume my late uncle, who was known to hate CYA (although I suspect it was more because the tabs were, in his eyes, way more expensive than LC) has left behind in his pool. As his nephew who now has to maintain his pool, what steps I can take to remove the...
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    Using the TF-100 reagents to test the potency of deeply discounted Chlorine

    Grocery stores around me here often put 10% Chlorine on deeply discounted sale ($2/2Gal). The date stamps are a month in 2023 with a number after it, which I assume to be number of days from 1st Jan and not a hour/time? For example: If the number is 180, that means the Chlorine was manufactured...
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    Dark swampy green pool TF-100 reagent test

    WILL-DO: Post summary of readings here Apologies for the verbose post - once I understand more, I will update the WILL-DO portion above with a, b, c below These are readings from my aunt's pool last week, I didn't get around to posting until today. I took the water sample around 7 - 7:30AM...
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    Are CMP and Waterways a good 3 way 2" PVC valve to use for pool plumbing?

    The pool plumbing currently uses these style 3 way 2" PVC valves: https://www.amazon.com/Pentair-263028-Compool-Valve/dp/B00P9EOKN0 I was wondering if I can replace these with these Waterway or CMP instead: https://partsforspas.com/plumbing/6432-diverter-valve-25048-019-000.html...
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    What exactly does a check valve protect against?

    You folks all have plunged me deep into a quest that is making me think about things I've never thought of before. It's my understanding that a check valve enforces a unidirectional flow and stops flow backward when the pump is turned off, they protect the pool's plumbing from getting damaged...
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    Correct technique to purge air via the relief valve

    When I need to purge air from the system, like the filter, I open the relief valve at the back of the filter with the pump running until water starts to spray out of the open relief valve. This doesnt feel correct though and makes me wonder if I am doing something wrong. I was taught this...
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    Rebuilding the valve body for the old style Pentair Piston Rod

    Do any of you happen to have the user manual for this Piston Rod (a picture of it can be seen here: Pentair 2" PVC Slide Valve Piston Rod Assembly | Halogen Supply) like this: https://www.poolsupplyunlimited.com/Products/Manuals/69080_201682212394.pdf I'm looking for the dimensions. Here's...
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    Is the TF-100 functionally equivalent to the K-2006C?

    I see that the Taylor Service Complete Pool Water Test Kit K-2006C is selling for $130 https://www.amazon.com/Taylor-Service-Complete-Water-K-2006C Is the TF-100 functionally equivalent to the K-2006C? 1. Has the same size bottles 2. Has the same reagents
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    Using dishwashing soap to install O-Rings

    I know it's not a good idea to use petroleum jelly (Vaseline) to install O-Rings because it harms the rubber unless it's removed completely, immediately after installation, which is hard to do. However, can undiluted dishwashing soap be used to install O-Rings? For example: 1. I need to slip a...
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    Is all Diatomaceous Earth meant for pool use the same?

    I am helping out my aunt with maintenance of her pool that uses a Pac Fab Nautilus FNS DE filter. I have questions about replacing the grid but before I get there: Is all Diatomaceous Earth meant for pool use the same? I have been using this specific DE for my own pool but my late uncle, who...
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    What would cause a pool or spa to have this yellowish tinge?

    I have noticed mostly spas but a few pools too, that have this yellowish tinge https://www.troublefreepool.com/media/whatsapp-image-2023-08-17-at-12-44-46-pm-jpeg.235303/full What causes it? Is it just the color of the plaster?
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    Why isn't the TF-100 sold on amazon?

    I am curious why the TF-100 isn't sold on amazon or eBay? Are there similar FAS-DPD test kits that are sold on amazon or eBay? Can I purchase the reagents for the TF-100 on amazon or eBay?
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    How to approach restarting DE Filter in heavy green algae pool

    Given I just cleaned out the grids in 48 sqft DE Filter, before I turn on the pump, should I pour 4lb of D.E. slurry directly into the base of the filter body, seal it up and then turn on the pump, instead of pouring it down the skimmer? I am used to mixing the D.E. to form a slurry and then...