Ethylene Control Power Pellets

The best assurance you can get, by removing ethylene gas.

As they work, environmentally friendly Power Pellets are transformed naturally into an organic fertilizer (manganese dioxide).

Additional Information:

Ethylene Control Technical Bulletins

The pellets start out a bright purple and turn brown from the outside in. You need the crush a half a handful of pellets after about 2 months to see how much purple is left. Then check the pellets about once a month. When there is 25% purple and 75% brown it is time to change the pellets.
Power Pellets are registered under U.S. patent numbers 5,278,112 and 5,314,852.