EZ Prime is the most innovative and effective concrete pump primer on the market. The advanced EZ Prime packaging and liquid formula set it apart from any other primer you have ever used. It stores easily in 2 oz. packets, mixes up within 2 minutes and outperforms powder concrete pump primers. Its compact packaging makes it easy to store and transport. EZ Prime works well in extreme temperatures from freezing to 110 degrees. On a windy day, EZ Prime's liquid formula won't blow away while pouring it out like other powder primers. EZ Prime works when you do!