The ideal tool for determining the moisture content of your buds. Get the perfect dry without guessing and know when to start curing.

  • Large LCD display with big digits for quick and easy viewing.
  • Automatically powers off after 15 minutes without operation.
  • Designed with high precision pins, simply penetrate into the test surface and quickly know the moisture level.
  • Designed with two measuring modes to meet your different needs.
  • Data hold function makes keeping track of readings easy.
  • Lightweight and easy to carry. Moisture meter for professionals to ensure consistent results.

Requires a 9V battery (not included).


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How to Test the Moisture Content of Your Cannabis

The moisture percentage of marijuana is an important figure to know. However, the shift in that percentage when buds go from drying, to curing, to packaging are mostly mysterious and subjective.

Some cultivators have theories about what the proper cannabis moisture content should be, but few were even willing to venture a guess when it came to quantifying a particular sample. Processors also have theories on the proper humidity (and temperature) of the drying, curing and storage areas and use automatic climate control to control those factors.

One way to measure the moisture percentage is to weigh a small amount and place it in an oven at roughly 30 degrees Celsius until it’s crispy and dry. Then measure the difference between its pre and post-oven weight and divide that number by the original weight of the wet material — the resulting number is the percentage of moisture.


A hundred grams of dried, un-manicured buds were weighed out, then placed in a low-temperature oven until they were crispy. When they were weighed again, their weight came to 91.5 grams, a difference of 8.5 grams from their pre-treatment weight. Taking 8.5 divided by the weight of the original, results in the percentage of moisture (8.5 percent) in the un-treated bud.

If there was an objective tool that could help with this chore, processors would have a more accurate assessment — one that wouldn’t require the skill of an artisan to use, just the eye of a trained worker. There is an objective way to measure moisture content using a wood moisture meter.

Using a Moisture Meter

There are at least two styles of moisture meters. It is best to use the sort that comes with two probes, about 2 cm apart and sticking out less than 1 cm.

The most accurate results are obtained when setting the the meter on the “softwood” setting. Hold the material firmly against the pad with a piece of hard plastic — the readout takes about a second.

The actual measurement might not be perfectly accurate, but as long as it’s consistent, it can be used as a standard. There is widespread opinion that 12 percent moisture is a good content of water for smoking in a joint that won’t go out. It’s also the percentage at which small sticks audibly snap.

If you have tested the meter against these two subjective but accurate tests and the meter reads 12 percent, all is well. Should the meter have a different readout, but one that’s consistent, you will still always know the bud is ready when it hits that number, provided the other criteria are met.

Proposed moisture readings for various humidity levels of processing and smoking:

  • Drying ends: 14-15%
  • Curing ends: 11-12%
  • Pleasant smoke: 10-12%
  • Harsh dry smoke: 10% or less

Adapted from Cannabis Now