Boveda 62% 4g Individually Wrapped Bulk - 600 Pack Growing 101 BioWorks RootShield Granules - 1000

BioWorks RootShield Granules - 1000 lb BioWorks RootShield Granules

Automatic in 1 point

On-screen help provides the operator with quick tips and describes each function of the controller

Heavy duty steel frame for superior strength and high weight capacity

Electrode 6 months

Boveda 62% 4g Individually Wrapped Bulk - 600 Pack Growing 101 BioWorks RootShield Granules - 1000Boveda 4g 62% Individually Wrapped Humidity Control Packs, 600 Count Each 4 g pack holds a half ounce at 62% RH, adding or pulling moisture as a sealed jar drifts. Boveda's own figure is 15% higher weight retention against material stored without it, which is where the packaging economics land. At 2" x 2" it sits flat under an eighth or quarter jar lid without eating usable volume. The fill is food grade salt, purified water and a thickening agent