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Title: Save your money.
Review: Bought this tester as I'm somewhat colorblind and have trouble with the test kits using the powder. Stuck it in the soil after a rainstorm, and the needle didn't move. Cleaned the tip with the pad provided and got the same results. Took a scoop of soil, made mud in a cup, then put the probe into that. Needle moved maybe 1/8" toward acid. Finally, I put the probe into a bottle of cider vinegar - needle moved 1/8" towards acid. I resisted the temptation to stick the probe into a lead/acid battery!Figuring on a dead battery, I removed the back to install a fresh one. Surprise - no battery. Also, no electronics or circuit board. The two wires from the probe go to the meter, and that's it.Guess it's back to using the powder (get the wife to check the color) or send the samples to a lab.
