Harvard Chemical Research free rinse pro carpet rinsing agent with spring mint odor. One of the most important steps in carpet cleaning is rinsing away detergent and alkali residues after the cleaning process is complete. To guard against rapid re-soiling and to leave carpets feeling soft to the touch as well as adding a luxurious sheen, carpets should be rinsed with a solution of Free Rinse Pro. This specialized formula can also be used to prevent browning when highly alkaline cleaning solutions have been used. Free Rinse Pro is also highly effective as an acid spotter, for cleaning light colored fringes and edges on rugs, or as a urine stain remover. Use this product where zero residue is desired. This product can be used for treating rugs, carpets, and fabrics for the presence of brown out or urine stains. May also be used to adjust pH of carpet prior to dyeing around sliding glass doors, etc. This product is a slightly acidic rinse aid used to prevent re-soiling due to detergent buildup by rinsing away residues left by detergents. This product leaves carpets sme lling fresh and feeling soft without damaging. Removes soil and residue also neutralizes alkalinity. Helps stabilize dyes, inhibits browning and color bleeding. Can be used as a spotter for urine and tannin stains. Pleasant scent, no "vinegar odor". Meets federal and state regulations for phosphates or contains no phosphates, this product is biodegradable. Contain corrosion inhibitors for equipment protection. Appearance: clear liquid. Odor: mint. Specific gravity: 1.01-1.03. PH: 2.0 - 3.0. Biodegradable: yes. Detergency: excellent. This product is a safe to use acid based product which contains no phosphoric acid, hydrochloric acid, acidic acid, or tannic acid. This product is safe on most surfaces not harmed by water alone. However care should be taken to always test this chemical as well as all products on a small scrap piece of material prior to treating large areas.