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Wisesorb 25 Pack Humidity Indicator Cards, 6 Spot 10-60% Blue to Pink, Humidity Strips, Reusable Humidity Packs
Obvious Color Change (Blue to Pink)-Blue to Pink color change is very apparent. Manage the quality if raw material strictly and test each batch to ensure every card absorb enough reagent, in order to show color changes more accurately. Specialized formula for reagent to ensure the accuracy of the indicating Reversible Color On Indicating Point & High Accuracy at ±5%-6 points RH). Detects a wide range of humidity rates from very low to very high, evenly and fully dipped in the printed circle. It has a wide moisture test range and the color on indicating point is reversible. The indicators do return back to blue

Price is $8.00
Price: $7.59