Colorphast pH Indicator Strips
Non-bleeding, tricolor strips that give accurate measurements of acidity/alkalinity in increments of .5 pH points. Far superior to roll type pH paper. 100 strips each.
pH range 0-6 ESPH06 $23.95 
pH range 5-10 ESPH510 $23.95
pH range 0-14 ESPH014 $23.95
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Pocket pH Pen
A pocket sized sensor that electronically reads and displays pH values via a Liquid Crystal Display with an accuracy of 1/10th of a pH point. Measuring only 5.5 inches in length. Battery life: 1000 hours. Adjustable. Warrantied for 6 months. Buffer/Standard (pH 7.01) should be ordered separately.
ESPHPP $69.95
230ml pH Standard ESPHPP-B $14.95
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Moisture and Acidity Meter
This remarkable unit simultaneously reads the moisture content and pH of the substrate into which it is inserted. It is especially useful for composing the casing soil and for insuring maximum primordia formation. Effective range: pH 4–pH 9.
ESPHM $119.00
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