By Matthew Wright, About.com Guide
Slime Tire SealantPhoto by Adam Wright 2010
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This stuff works great. I had a lawnmower tire that had a slow leak, it sealed it and that was it. For the others that rated this product keep in mind that Slime does not inflate tires. Slime also will not seal or repair a leak in a valve stem or a puncture in a sidewall of a tire. Slime works on punctures in the tread portion of the tire, the part that touches the road. For the lady who's husband tried to fix a valve stem leak this would not work because of physics (the force of the rotating tire kept the Slime along the outer part of the tire and not by the valve stem) also Slime is not a permanent fix for on road tires. If those little lead weights can throw a tire in and out of balence imagine what 30oz of Slime will do in a road tire. I liked Slime so much I put it in the tires of my Polaris Ranger, but it is for off road only.