The Chauvet HFG is a new and improved haze fluid that generates a thin mist, providing any area with a stunning effect. Chauvet fluids are designed and tested to provide exceptional output from Chauvet fog, snow and bubble machines. The use of other products can cause irreparable damage to your machine. Play it safe and get maximum output by trusting Chauvet fluids. This fog fluid is water based and works with other products, as well as Chauvet machines. Plus it won't stain or leave residue, so you can have a worry free time.