All my holes ended up about an inch from The underside so there was generally an inch of water sitting down within the jug. Sitting water can entice mosquitoes. Jess suggests this tip: When she does this in her elevated vegetable garden, she leaves the caps on and unscrew them https://elliottw345ttz1.blogcudinti.com/29703729/a-simple-key-for-plant-feeder-water-unveiled