I was golfball diving around washington state, used a dry suit (that leaked) and a ffm I did not use a bc, I hung a tank off a float bouy, that also worked well for hanging golf balls in a goodie bag. I also had a 40' lp hose that was also rigged with floats. For the actual gathering of the balls I rigged up a small goodie bag with a 45 degree bent peice of pvc for an opening, that way you could quickly put the balls in the bag and not worry about them falling back out. Once that bag was full I would swim over and fill the big bag.
There usually was another diver on the course but it was understood that you were on your own.
Points of interest- I figured the ponds we were diving would be considered a haz mat sight, if a real diving outfit was in the water, im sure all haz-mat procedures would of been used. Up north I figured the biggest danger was entanglment from hoses, wires, carts, fences who knows what else, the other danger that could be overlooked was the power pumps used to spray the pretty water in the air, if a pump had a short, or you grabed a damaged wire you could get fried.
to the nitty gritty, I made some good cash I got 8 cents a ball and would end the day with 300-500 bucks some days. The old timer I dove with had a couple $1000 days. I usually spent 3-5 hours under water, wich is a long friggen time.
A couple observations, you cant see at all. Golf ball diving is in no way like recreatioal diving. If you dont feel totally at ease rolling around blind in a muddy swamp forget it. When you have a couple thousand balls in a bag, its really heavy and trying to drag one out of a swap is hard work.
Some suggestions, dry suit madatory, dry gloves would be ideal, ffm is neccecary. Use a weight harness and use a really long hose and hang your tank. The biggest suggestion, get a pee valve in your suit. Plan on having a dedicated set of gear for golfball diving, it will stink to no end and even your tanks will stink.
if you have any more questions drop me a line, and if your wondering I did the job for a couple months untill something else came up, and I never plan to golf ball divng again
JUMBO