Boveda 2-Way Humidity Packs 62% - 67 Gram (Pack of 100) 8 Foot Power Cord Phosphorus plays a key role

Phosphorus plays a key role in essential functions of the plant including photosynthesis

the bag becomes a cylinder shape

gives your summer tomatoes superpowers

Double airchamber structure to produce large quantity of air and strong airpressure

Boveda 2-Way Humidity Packs 62% - 67 Gram (Pack of 100) 8 Foot Power Cord Phosphorus plays a key roleBovedas patented 62% 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