Make sure surfaces are contamination-free Strips are flexible-sample in hard-to-reach areas Quick check for bacteria, yeat, and molds to prevent corrosion, slime, formation, and odors Kits are complete and ready to use - no special equipment or training necessary Kits contain flexible plastic strips to which filter paper containing nutrients are attached. Aerobic bacteria form red spots on the test strip. Yeast and mold form black spots on the test strip. Use the number of spots along with the degree...