Burning coffee grounds not proven method to prevent mosquito bites (Video) | West Central FloridaSeveral 'hack' videos on social media claim burning coffee grounds can rid your yard of mosquitoes. (10 Jun 2024, 02:37 am)2024.06.10 Several 'hack' videos on social media claim burning coffee grounds can rid your yard of mosquitoes. (10 Jun 2024, 02:37 am)