have a nagging leak...
1/2" over night ( 9 hrs) while returns and suction including bottom drain ( piece of liner, 5 gal bucket w/ 50 lbs on bucket) are plugged.
did the bucket test, i used red food coloring around all joints including light to no avail.
So its the liner right? I have been all over that liner ( it seems) squirting the dye.... i have let it "leak out" to where the leak all but subsided and still cant see it. ( when the pool is full it leaks much faster)