Calibration Solution pH 4.0 - pH Indicator & pH Test Equipment For Hydroponics, Food Processing, Aquariums, Pools, Water - Perfect For Precise pH Meter Calibration Use With pH Probe - 8oz Bottle
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<b>[Product Information]</b><br>
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<li>PH CALIBRATION SOLUTION: pH 4.0 Calibration Solution is designed to accurately calibrate and testing equipment for pools, hydroponics, food processing, home aquariums, industrial processing equipment and pharmaceutical manufacturing, water and more quickly with your pH tester/meter. Ideal for testing pH balance of drinking water, pool, aquarium, RO system, spa or hydroponics.</li>
<li>QUALITY AND STABILITY: Atlas Scientific’s pH test solution Standardized against NIST-certified references, each batch is manufactured under strict conditions to ensure quality and stability and is checked to verify calibration. Accurate to ±0.02 pH at 25°C.</li>
<li>PH INDICATOR KIT: pH is actually a measurement of the activity of hydrogen ions in the sample. pH is a numeric scale used to specify the acidity or basicity of an aqueous solution. The pH value of a neutral solution is 7.0. Solutions with a pH value below 7.0 are considered acidic and solutions with pH value above 7.0 are basic (alkaline). This pH calibration test solution is perfect calibrating pH.</li>
<li>FIRST AID MEASURES: Each of our pH 4.0 solutions are nontoxic in In case of contact with eyes, rinse immediately with plenty of water.</li>
<li>SET INCLUDES: pH 4.0 Calibration Solution, 8oz bottle (250 ml) - 2 year shelf life at room temperature. Keep container tightly closed in a cool, well-ventilated place.</li>
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