After a long day of work, there’s nothing like relaxing on your back deck with a cold drink and enjoying a beautiful sunset. If you’re like many homeowners, you enjoy your deck often – whether for entertaining friends and family or indulging in a quiet evening watching the stars. You can transform your backyard into a private retreat or lively picnic area depending on how you want to spend your down time. The last thing you want to worry about is dealing with unwelcome pests and bacteria that can build up if problems are left ignored. If you find there are more mosquitoes on your deck than friends, there could be a problem with stagnant water under your deck.