Mower Tires What Can I Fill My Riding Lawn Mower Tires With To Add Weight For Traction?

What can I fill my riding lawn mower tires with to add weight for traction? - mower tires

The big tractor tires filled with saline solution to prevent freezing.
They do not know how to make, but if you have a tractor tire, or a really good to help those who a platform to fill the tires with the solution must go.