Cut Knockout Time In Half!Outperforms Class "A" Foam 2 to 1 For One-Third The Cost. DirectionsThis product needs only to be poured directly into the water supply at a rate of one quart (one bottle) to five hundred gallons of water. In other words, just pour one bottle of this concentrate into a five hundred gallon booster tank and you're ready to go. What is Drench?Drench is a liquid additive designed to dramatically reduce extinguishing time when fighting class "A" and "AB" fires. By...