Boveda 58% 4g Unwrapped Bulk - 600 Pack Propagation Accessories + Tools scientists and tested in collaboration

scientists and tested in collaboration with The Ohio State University

so plan on a first fill at a welding or beverage-gas supplier

making it the top choice for reliable indoor gardening

These jumbo plugs give you 32 "homes" for your seedlings and cuttings

Boveda 58% 4g Unwrapped Bulk - 600 Pack Propagation Accessories + Tools scientists and tested in collaborationBoveda 4g 58% Unwrapped Bulk Humidity Control Packs, 600 Count 58% RH is the drier of Boveda's two flower levels, and the one to reach for when material is going into a long hold. Each 4 g pack covers a half ounce, moving pure water vapor across a reverse osmosis membrane in whichever direction the jar needs. Same salt, purified water and thickening agent as the 62%, set to a lower equilibrium. 58% RH Packs for Drier Long Term Storage, 600 to a Case