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Final Update regarding my mysterious pool leak: I had another leak test performed by Statewide Inspection. (Remember American Leak performed first test w/o success). Upon visual inspection he said: pool and plumbing look good. I believe it’s around your skimmer (where pool and skimmer meet); it...

Use Borax First to set TA. After correct TA, use granular acid (not liquid) to gradually set PH. When adding acid, add evenly to deep end of pool. I assume you have. Salt pool, which gradually pushes PH up overtime?

I agree. I should have drains pressure tested again. I have to be certain before I do anything radical. Thanks for the good advice.

I appreciate the feedback. I had previously confirmed (through American Leak Detection) that the leaks are not on the pressure side (jet related), although they also tested the drains and said they were not leaking. As per my prior posts above, I had also confirmed that I was losing salt at...

Update: so I'm back on the trail of this nastily little leak. Since I've thought it was the hot tub drain all along, I've decided to plug the drains and wait. After day one, no leak. Day two, no leak. After 1 week, just a few gallons, and not the 10 or so gallons I was getting daily! I'm on to...

Funny. Yes, it must be a salt thief. And interesting your evaporation theory equals my daily loss. I'm measuring salt needs using gold line SWG equipment. It responds immediately when I add salt, yet gradually goes down overtime along with water loss. I'm going to plug up drains one by one to...

So, using your method of calculating the leak amount based on salt loss, I've updated the calculations. Pool volume is 23x13xx5x7.5 = 11,200 gals. Salt requirement for that volume at 3400ppm is 312lbs or about 8 bags (using pentair salinity calculator). So that's .028 lbs per gallon. I'm losing...

Very interesting approach to calculating the leak - based on salt loss. That seems like an easier path for me. My prior figures were rough calculations, so to be more specific my pool depth ranges from 6 foot to 4 (or say average of 5 foot depth), and the actual loss is more like 30 lbs/month of...

Pooldv, thanks for the response. I realize evaporation is part of this story, but seems high. I guess I need to do specific calculations for my pool, which is rather small. It's a 23'X13' pool, and inside that footprint is a corner hottub. Another key aspect of my findings is that I lose a 40 lb...

The Saga Continues... The above posts outline my year long attempt to find a leak in my pool. The most recent activity include American Leak Detection, who did a complete test and determined there was a hairline crack in my hot tub, which was fixed. The leak continued. American Leak came out...

Oh, the update on the gallons per weak. I've metered the pool line and calculated about 20 gals/week loss or nearly 3 gals per day. It's a SW pool, so the biggest hassle is carting 40 lb bags of sand to the pool each month!

UPDATE: I excavated. I attached a couple pictures, which only provide perspective. You'll see the hot tub crack which I had already patched. After investigating the hole, I found the PVC pipes for hot tub (suction and return) to be in good order. With such a small leak (20 gals a week), it seems...

I agree, I'm going to have to excavate but let me clarify and add a couple points. The "hairline" crack was quite long, about a total of 4 feet, wrapping around the corner (near that deck pole in picture), and about 1/4 wide after I cleaned it out for patching. The leak was greatly reduced after...

Poodv, I live in the northeast (updated my profile - thanks), but I think you are right about the soil holding up the area around the crack. I've included a picture and you will see a clear depression leading up to the corner of the pool. My thinking was the water leak may have caused the soil...

UPDATE: the hairline crack that I patched using AB epoxy (see above) is leaking again, after 6 months. There are several small leaks at the edges of the epoxy (where the epoxy meets the Pebble Tec surface). I guess my options are: 1. try to seal the small leaks right on top of the epoxy, 2...

Winter is approaching fast in the northeast so I decided to use the AB epoxy, to stop the leak before the cold sets in and I can decide later in the spring how to address this hairline crack from a cosmetic standpoint. The white AB epoxy was only available at the nearby store so I used that. As...

I've surfed the net for hours, including this site and haven't found a definitive answer to my quest to fix a hairline leak in hot tub section of my pebble Tec / SWG pool. I've had American Leak find the leak since it was so slow and difficult to find. Once found I realized it is a 2 foot...

UPDATE: Jason, thanks for the input. So, I decided to do a test before replacing either the capacitor or the start switch. I removed the end cap on the pump and turned the motor a few times, to make sure it was free; I thought it may have needed a few turns to get it moving after sitting over...

I have a 4HP swim jest pump that does not seem to start-up. When I turn it on, it makes a loud buzzing sound, and after about 30 seconds it trips the breaker. It sounds like the pump is trying to start but stuck/jammed. It's only about 5 years old, and it started "sticking" about a couple years...

Thanks! We'll give it some time to let the bubbles go away... meantime, I'll take a bubble bath :)

I accidentally grabbed the wrong jug when doing a chlorine adjustments to my pool after being gone for a couple weeks... (I have a SWG which didn't produce enough chlorine while gone). Anyway, I dumped about 1/2 jug into a 10,000 gal pool. After looking online at the ingredients (which are not...

Re: how to reattach a thermostat Final Pics - project complete. Thanks!