Boveda 62% 4g Unwrapped Bulk - 600 Pack Cal Mag Additives This proprietary innovation automatically buffers

This proprietary innovation automatically buffers the nutrient solution

It offers the benefit of being highly concentrated

Long-term drift is under 2% per year

Enhances soil fertility and nutrient uptake

Boveda 62% 4g Unwrapped Bulk - 600 Pack Cal Mag Additives This proprietary innovation automatically buffersBoveda 4g 62% Unwrapped Bulk Humidity Control Packs, 600 Count The thing that catches people out with unwrapped bulk is when the clock starts. It starts when the case opens, not when a pack goes into a jar. Every one of the 600 begins equalizing with the room at that moment. 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