+3 Protein Spotter, Gl NL207 $23.33 In stock Quantity: 1 Add to Bag Product Details Protein Spotter, Gl Newline's Protein Spotter is a ready to use alkaline spotter for common soiled carpet spots. It is also great for protein based soils including milk, blood, food, etc. Economical by the gallon. Available in quarts. Save this product for later Favorite