DI resin

How long can WFP DI resin sit with out being used? I lost a major client (several supermarkets in my area) that I used my WFP on and I am not using it as much as I did before. Should I leave it with water in the tank or drain it if I know that it might be a month or longer that it will not be used? Could there be a possibility that junk (algae) could invade the tanks?

My current system has;

1 sediment filter (4-5/8" x 20")
1 carbon block (4-5/8" x 20")
2 DI resin containers (sometimes I just run one) (4-5/8" x 20")

Thanks for your help,

J. Crabb
Firehouse Window Cleaning
Hoover, Alabama
Roll Tide!!!

If you cap the inlet and the outlet to keep the air out and don’t dump any water out it will last as long as you need.