Tire Ballast

Enviro-Ballast Specs Overview
Fully Biodegradable
Pour Point well below -50C
Heavier than water
NON corrosive.

One of the main perks of Enviro-Ballast is that it is Non Corrosive it will not corrode your valve stem and if it does leak it will not corrode your rim.

Additionally, in an agriculture setting if a leak does occur it is fully Biodegradable.

Enviro-Ballast is an excellent choice for agriculture applications

Or even for tractor collectors who like to do the odd tractor pull.