About This

【Safe & Natural Formula】Spider Farmer humidity packs are made with a salt-and-water solution to deliver accurate moisture regulation without releasing any harmful substances. The packaging can be placed in direct contact with herbs, preserving their natural freshness and flavor.
【Reliable 2-Way Humidity Control】Maintains a stable 62% RH inside your container. Each pack absorbs excess moisture when it’s too humid and releases purified water vapor when it’s too dry—ensuring your storage environment stays perfectly balanced.
【Long-Lasting Freshness】One 8g humidity control pack protects up to 1 oz of herbs for 3–4 months, preserving potency, flavor, and aroma.
【Convenient & Mess-Free】Each humidity pack is individually wrapped to lock in freshness until use. Simply remove the outer wrapper and place it in your airtight container—the pack works automatically. For best performance, replace every 3 months or when the pack becomes hard. (Tip: Do not mix different %RH levels in the same container.)
【Versatile Protection】Ideal for herbs, tea, coffee, and pantry goods. Also trusted for preserving wood instruments, camera lenses, antiques, and rare books—anything that can be damaged by unstable humidity levels.