Must praise this site It has been a wonderful place to come with confidence can I ever thank Chem Geek and others enough for the info on keeping clean water inexpensively. Now I ask for help in controlling these (I'm sure they have a roll in the Cosmos besides keeping me out of my pool at nite) pesky critters.We have had a very rainy spring early summer lots of critters .What have others had success with ? spraying,netting,gizmos at Walmart to clear an area any suggestions are appreciated Thanks in advance