Insects like Mosquitoes need water surface tension In the Pupa stage mosquitoes have a breathing tube they attach to the surface. Adult Mosquitoes need water surface tension in order to lay their eggs. This product removes this water surface tension, so pupa can’t breathe and mosquitoes can’t land and lay their eggs. Its been 2 weeks since we treated this particular pond up in Northern Wisconsin with Mosquito Free Water. This video shows how well the effects are on the … Continue reading Mosquito Free Water Demonstrations