Boveda 320g/Satchel 62% Himudity ControllerBoveda’s patented 2-way humidity control continually responds to ambient conditions by adding or removing moisture to affect the enclosed environment and del..
Nutrifield pH 7 BufferThese are solutions of known and exact pH. If your pH meter doesn’t read pH 7 when the probe is put into the buffer then the meter is wrong and needs calibrating.We recommend tha..