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  1. nuttyp

    10" Pool Light 6 inches from pool bottom

    Does anyone see a problem with having a pool light 6" from the bottom of the pool? I've been trying for months to convince my new neighbor not to shell out $40K to make his pool more shallow. Along with others, I failed to convince him of the risks. And it’s his pool, he wants more safety. He...
  2. nuttyp

    Inverter Technology Heat Pumps

    Back in 2021 @Chuck_Davis asked for anyone with experience with inverter technology heat pumps (HERE) He got one reply, suggesting they are smoke and mirrors. Lately it seems many brands are flooding the market and making some interesting claims – of COP up to to 15, even 30, etc. Some argue...
  3. nuttyp

    Recoat SWG salt cell to restore aged cell?

    My aftermarket 40,000 gallon ‘T-15 equivalent’ cell from Leslies finally fatigued its way to ineffective status after about 12,000 hours (3 years at 11hrs/day). I just replaced it with this other aftermarket see-thru version called Simple Cell from poolguysupply for $399 and it seems to be...
  4. nuttyp

    Iron stain from pool salt - all or most salts have iron.

    I’ve loved my SWG over the past few years. Even with having to add salt and clean the cell every few months, it’s so much easier than dealing with buying, transporting, storing and deploying liquid chlorine constantly. But a recent salt-stain event had me questioning the SWG if there is iron...
  5. nuttyp

    No bonding required for pavers over deep sand with no concrete?

    As I looked at the pictures in this post Ladder anchors don't have drainage I was reminded that my entire lanai is pavers over deep sand with no concrete under the pavers. Does anyone know why pavers don't need to be bonded in such a case? I don't get shocks and I have not (yet) tested for...
  6. nuttyp

    Can Clogging Filters Cause Pump Basket to Fail to Fill Fully?

    This surprised me and is something that will surely expose my ignorance of pump behavior and fluid dynamics. Can a clogging filter begin to reduce the water level able to be filled into the pump inlet filter basket? For all the detective-novel-like inlet leak detection threads I’ve read and...
  7. nuttyp

    Searching for thread about custom DIY automation & best temperature sensors IOS

    Does anyone recall the TFP member or thread where the guy did tons of DIY software work with sensors and custom displays on his older iphones and ios tablets? It was a long and older thread that had a new post about a month or two ago and despite allegedly clever searching I cannot seem to find...
  8. nuttyp

    Sahara Dust in Filters - Southern US 2024!

    I was cleaning my cartridge filter today, as I usually do every 3 or 4 weeks. Normally I get an expected amount of dirt and such. Today I got worried about a major outbreak of rust somewhere in the pool because the cartridge was a solid medium brown. It cleaned up easily enough but what the...
  9. nuttyp

    ExtremepowerUS review - six pumps and heater/heat pump opinion

    There are a few other threads that address ExtremepowerUS products, mostly old threads so here goes…. I’ve had experience with six extremepowerus pumps, and have done some preliminary reviews of their 137,000 BTU heat pump. Spoiler alert: I think the pumps are worth it, but the heater probably...
  10. nuttyp

    Automatic Pool Fill

    I thought I would share how I implemented an automatic pool filler. Many of us tire of dragging a hose to the side of the pool. And many have tried various gadgets that lay over the side of the pool to sense level and fill, but we find them unreliable and they still require a pressurized hose...
  11. nuttyp

    Rail Anchor Height Under Pavers

    Hi folks - I’m adding a steel rail by the in-water steps of my 16K gallon inground that is surrounded by pavers. I’m sinking two brass anchors on 8” centers into cement I’ll pour to a level just below the bottom of the pavers, so I can add a layer of sand and the pavers will still be replaceable...
  12. nuttyp

    Lesson Learned – Rust stains from pool cage screws etc

    Here’s an idea to save a lot of time, trouble and cost…. Pool cages are popular in some locales, we like them in FL to keep out things like bugs, leaves & young kids. Over time the hundreds of little sheet metal screws that hold the cage together often rust. I suppose they are seldom made from...
  13. nuttyp

    Idea for Dissolving CYA Granules– And Nothing in the Skimmer

    I’m delighted with my SWG for many reasons. Among them the idea that I can maintain reasonably low chlorine levels while keeping CYA a bit higher. Many thanks to all the contributors on the topic of CYA & Chlorine relationship – including Ben Powell. Richard Falk (chem geek) and other forum...
  14. nuttyp

    Ever hear of an air switch occasionally self-activating?

    Hello all - I'm trying to help some friends who have been plagued by a spa air switch that seems to self activate from time to time. I'm wondering if anyone has heard of that before. Their pool is a 10K gal IG gunite, spa alongside using the main 240V pool pump and 240V blower, controlled by...