Estimate shipping
Temperature and humidity in a single unit, on a hook-and-loop backing so it lifts off the wall for cleaning rather than being stuck there permanently. For hermit crabs these two readings matter more than anything else you can measure: crabs breathe through modified gills that need humid air, and a dry enclosure is a slow welfare problem that shows no obvious symptoms until a moult fails.
Benefits
- Both readings in one unit — one thing to mount, one thing to check.
- Removable hook-and-loop backing — lifts off for cleaning.
- Assorted colours — supplied at random.
Using it
Mount at crab height rather than near the lid. If humidity is reading low, the usual causes are too much ventilation, a substrate that has dried out, or a water dish that is too small — in that order.
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