The solution can be reused until spent, usually 10-15 times.
When using Safe-D-Vest, use rubber gloves and eye protection.
Please refer to the Safe-D-Vest MSDS sheets for additional safety information.
As an alternate procedure, Safe-D-Vest can be placed in a stainless steel or Pyrex pot, and the solution may be heated to a simmer. If using the Safe-D-Vest in this manner, the Safe-D-Vest will need to be discarded it each time, and a fresh solution for each new tree that you want to divest will be required.