Advantec Litmus Red Test Paper, 10 Booklets of 20 Strips

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SKU:
ST429505
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Determine pH easily and inexpensively without instrumentation color changes instantaneously, simply Compare to Chart for determination available in two convenient formats — a booklet of 20 strips, 7 x 70 mm; or a single 9-mm wide roll in a convenient dispenser packaged as 10 booklets of 20 strips each; strips measure 7 x 70 mm.