I have used it before, works good

 

Here's the deal with "Slime"...........make sure you use the correct "formula", ie, for tube or tubeless.
Don't wait to get a flat.........put it in the tires NOW. That is the way it is supposed to be used.
Use the correct amount for the tire size.
You can adjust tire pressure with slime in them........although you will see some in the valve stem when you do let air out. It will not prevent reinflation.
Slime is very effective on tread area punctures..........and less so on the sidewalls.
It's not foolproof, but you're far better off with it than without it.

 

Just be careful............I put too much in my rappy tires (all 4) and I've got a bad wobble at the top of 4th. I've got to disassemble my rims and wash them out.

Banzai !!!!!!!!!!!!!!!!!!!!

 

I have tried slime. Didnt work worth a crap I had to plug the tire anyway. Then when I went to replace the tire that crap was everywhere! Ill never use it again. The other 2 people I know that used it; It just seeped out all over, but never did it's job. We gave it 3 tries with zero success.