ZEP CARPET PRE=TREATMENT SOLUTION|Zep’s carpet pre-treatment solution is a ready-to-use, water-based, low-foam formula that penetrates carpet soils and separates them from fibers. It will not disrupt extraction cleaning, and is safe to use on stain-resistant treated carpets. It can be sprayed on stains and high-traffic areas prior to extraction cleaning, and is effective on tough soils. Available in one-quart bottles.