Greetings all.

I have been in buisness about 3 months now.

I am looking for any helpful advice on leak detection.

I have ordered the check a leak device and am considering others.

Currently I have identified and fixed 4 leaks and I have 5 more on my schedule

I think that to help you out we need to know your location so we know what types of pools that you will be working on. There is no ten minute crash course (that I know of) in this industry. Just when you think you have seen it all another scenario pops up.
Asking specific questions will get you a better chance of a reply.

Again,
Welcome aboard.

I personaly like the fugi LD-12 subsurface leak detector www.subsurfaceleak.com... in this biz diving is a must if not take lessons. have a protocal stick with it check returns for bubbles check backwash shut off pump using a mirror check return fittings and lines with dye check light housing before any pressure testing or lookong for liner leaks and oh yeh take as much info from home owner which i sure you do ....