Hey, Crokett,
I'm gonna' catch a bucket of grief for this but I use nothing in the way of protective clothing. I keep the jug sealed until I get to the edge of the pool, kneel down on all fours, and carefully pour it into the return stream about 1 inch above the waterline.
I feel it's the least amount of handling and the least chance of a splash on my clothes. So far, so good after five years.
You're gonna get some methods that differ A BUNCH from mine, however.