Recent content by Shieldsfx

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...