Do you regularly wage war against scarid fly infestations? Nulife Technologies gives you a weapon of mass destruction in the form of Scarid 10. Scarid 10 kills the flies by interrupting their natural life cycle. Scarid 10 is applied to the top of your growing medium, it is designed to leave a coating which prevents the flies from landing. This then stops the flies from laying their eggs and therefor no larvaecan get to your plants roots. Scarid 10 is a concentrate and should be applied at a rate of 30ml per litre of water.