Aqua Master Calibration Solution pH 4.01 500ml (Case of 8) pest-and-disease-control the shelf has a weight

the shelf has a weight capacity of 60 lbs

Humidity: 5% to 90% RH

The bipolar ionization technology actively attacks pollutants

It does not contain harmful chemicals

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Aqua Master Calibration Solution pH 4.01 500ml (Case of 8) pest-and-disease-control the shelf has a weightDescription Aqua Master Calibration Solution pH 4. 01 500ml (Case of 8): This high precision calibration solution has a pH of 4. 01. It is traceable to the NIST standard, ensuring the highest level of accuracy for your pH measurements. Storage and Usage: To maintain its accuracy, this solution should be stored between 59 77F. Please make sure to close the bottle immediately after use and avoid returning any liquid back into the bottle after removal.