Press and hold the "CAL" button for 5 seconds. Rinse the electrode with clean water and dry. Press the "MODE/CAL" button to set the ORP mode; the word "mV" will be displayed in the upper right corner of the screen.
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Press and hold the "CAL" button for 5 seconds. Rinse the electrode with clean water and dry. Press the "MODE/CAL" button to set the ORP mode; the word "mV" will be displayed in the upper right corner of the screen.
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Light reflection and different monitors may cause the color of the item in the picture to be slightly different from the actual item. Step 2: Add 250ml of deionized water (or distilled water) to the beaker.
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Step 2: Add 250ml of deionized water (or distilled water) to the beaker. Quantity: 15/18/20 pieces. Light reflection and different monitors may cause the color of the item in the picture to be slightly different from the actual item.
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Step 2: Add 250ml of deionized water (or distilled water) to the beaker. Quantity: 15/18/20 pieces. Light reflection and different monitors may cause the color of the item in the picture to be slightly different from the actual item.
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Light reflection and different monitors may cause the color of the item in the picture to be slightly different from the actual item. Step 2: Add 250ml of deionized water (or distilled water) to the beaker.
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If you have a swimming pool, aquarium or spa, you will need to conduct a pH test regularly. Wide range of applications-ideal for testing the pH balance of drinking water, swimming pools, aquariums, RO systems, spas or hydroponics.
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Dissolve one pHbuffer tablet in 20 mL of deionized water. This also enables these pH tables to have an industry leading margin of error (+/-. 05 pH for each tablet). pH 10 will produce a green solution, pH 7 will produce a yellow solution, and pH 4 will produce a pink solution.
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