Calibrating your hydrometer before attempting to jar cure.. I just received my 10 new hydrometer's that will be attached to the lid of each ball glass jar I will use to cure my second grow. I used one last grow and it made the guess work so much more simplified. I figured the $5.99 per meter is well worth the investment as mold ruins your herb and over dried product really cant be re moistened. FYI: a bottle cap fill 2/3rds with salt and a small mount of distilled/tap water just enough to make a paste placed in a sealed container will generate a PERFECT 75% relative humidity in 24 hours. This is how you calibrate your electronic or analog meters.
