Boveda Humidity Control Packs (58% or 62%) PH Pen you can safely use Fish-Mix

you can safely use Fish-Mix inside as well as outside without running the risk of overpowering your growing environment with the smell of fish

Ideal for supporting vine crops

usage of the Block without sleeve is

and DO NOT need to be purchased separately

Boveda Humidity Control Packs (58% or 62%) PH Pen you can safely use Fish-MixBoveda Humidity Control Sachets will add or remove moisture within your storage container to maintain a specific relative humidity level. What allows Boveda to do this is its unique ingredients and a thickening agent contained within a reverse osmosis membrane produces a 2 way humidity control. Maintain optimum humidity to prevent mold from forming or over dried or too crispy product. Boveda is made from a combination of salts and purified water, so