Three Ways to Order Your Science Supplies

Online - Pay by credit card, check or your account.

By Phone - Call us at 800.628.7748
Mon. - Thurs. 7:30 - 4:00 pm, Fri. 7:30 - 3:00 pm


By Fax - Fax your order with our
pdf form.

Hardness Test Strips


This easy to use strip may be used in all applications where total water hardness measurements are required (0-500ppm 50) strips per package.

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