Use Dawn dish soap to bathe the dogs. It kills fleas on contact and is much cheaper than expensive dog shampoos. Squirt Dawn soap down the middle of the pool and all of the dirt, suntan lotion ...
After trying it in my bedroom first before the rest of the house, I set out a couple of flea traps (Dawn dish soap with water in a dish). I seen a couple fleas in them, so a one time spray isn't ...
Bathe them with a mild soap like Dawn dish detergent, which can drown fleas, and then use a metal flea comb to remove them.