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Search the Community: Showing results for tags 'plantit'.
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I wondered if any wise man would be able to help me with tonights issue! I have bought a new ph meter that says it has automatic calibration with one touch..... The trouble the instructions state I should dip the pen in a test solution but I was never given one with the pen and the guy said I could use my ph down? Could anybody explain how this is done or another alternative for a test solution..... apologies if I'm in the wrong section and thanks in advance