Stress Relieving Powder- 100 portions $9.95 

 Item# Stress Reliever   

Reduce the chance of Thermal shock when harvesting blocks.  (Use 1Teaspoon/ block)

Place the liner in the tank, add the powder, fill with water.

Wind Test on a block with Stress Relieving Powder

The Fan was on for over 1/2 an hour when we stopped the test