Boveda 2-Way Humidity Packs 58% - 67 Gram (Pack of 100) HGC714827 tree and shrub diseases such

tree and shrub diseases such as powdery mildew

000 gallon capacity

and our multiple forms of Calcium back up traditional mineral nutrition

It has 90° oscillation or can be locked in a non-oscillating position

Boveda 2-Way Humidity Packs 58% - 67 Gram (Pack of 100) HGC714827 tree and shrub diseases suchBovedas patented 58% humidity control packs regulate moisture content, keeping the contents of your containers at the perfect desired level. They dont need any activation or maintenance. Just place them in an airtight container with your items and Boveda technology will do the rest. Only Boveda responds to any atmospheric humidity conditions inside a container by adding or absorbing moisture as needed to maintain the predetermined relative humidity