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Cannadew Humidity Indicator Card
No more guessing. Our easy-to-read indicator card helps you monitor relative humidity inside your container in real time. Perfect for cannabis curing, cigar storage, dry goods, and moisture-sensitive electronics.
- Cobalt Chloride-Free – Safe for herbs, food, and medicine
- Reversible & Reusable – Long-lasting without batteries
- Compact Size (3.94 in) – Fits in jars, safes, bags, and boxes
RH RangeColor Change0–10%Blue (Dry)10–90%Pink (Wet)
Tip: Use with Cannadew's 2-way RH control packs for precise curing control.
How to Use
How to Use:
- Place the indicator card inside the storage area, separate from direct product contact
- Allow time for the humidity reading to stabilize
- Refer to the color scale to understand current humidity levels
- Consider replacing humidity packs when readings shift from the optimal range
- Battery-free design — simply check the colors to monitor conditions
Multiple Usage
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