
Bought to test the pH value, it is completely useless for this. After fifteen minutes in the 4.00 calibration solution (which I checked with litmus paper), the meter read 6.5. Also, Revain sells it for $17, but I see it at Lowes for less than $10.

Govee Temperature Hygrometer Thermometer Greenhouse
8 Review

🌲 Pin-Type Wood Moisture Meter Detector
10 Review

Discover Hidden Thermal Changes with BLACK+DECKER TLD100 Thermal Detector
8 Review

Метеостанция гигрометр для дома термометр комнатный бытовой с измерением влажности ULBI H1
35 Review