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$443.11
OAKTON WD-35613-50 Ph 5+ Handheld Meter With ATC, Order Ph Probe Separately
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HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
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Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, Large LCD Screen, Replaceable Batteries, Built-In Diagnostics, 9531000
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OAKTON WD-35634-15 Phtestr 50 Pocket Ph Tester, Waterproof, Double Junction
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weebly.com
the pH scale and its indicators
The scale that you see above is called the pH. It measures the "potential hydrogen" in any given substance. All substances that have a pH below 7 are acidic and all substances that have a pH above 7...
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