When foam is a problem as little as a cap full of Bye Bye Foam will completely eliminate any foaming problem. Eliminating the presence of any foam in the recovery tank can significantly effect the speed and efficiency of any carpet cleaning operation since the recovery tank can be filled completely with water before it has to be emptied. BENEFITS of Bye Bye Foam Silicone Defoamer:• Concentrated defoamer• Cost effective• Instant defoaming• Non-toxic and low irritant