Online - Pay by credit card, check or your account.
By Phone - Call us at 800.628.7748 Mon.- Thurs. 7:30 -4:00 pm EST, Fri.7:30-3:00 EST
By Fax - Fax your order with ourpdf form.
A convenient single strip that tests for both nitrate and nitrite concentrations in water that may be contaminated by farm spillage or runnoffs. 50 strips per package.