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NaCl calibration solution 1000 ppm comes in lightweight HDPE plastic bottles. Sealed with a coated f..
$6.50
M10030B calibration solution is formulated at 12.880 mS/cm, and is available in a box of 25@20 ml sa..
$1.00
This Hanna conductivity calibration solution is widely used to assure the proper performance of cond..
$15.99
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments..
$1.40
Available in 230 ml bottles and 20 ml sachets. Traditional buffer solutions are packed in 230 ml lea..
$11.99
The conductivity solutions are made of high quality potassium chloride with different strengths. The..
$15.99
Hanna Instruments' testing solution, ideal for gardening, laboratory work, and field experiments, co..
$18.99
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments..
$1.40
Standards have KCl, NaCl and 442 conversions printed on the bottle for ease of use. Temperature corr..
$18.99
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments..
$1.40
All Hanna solution bottles come with a pH Vs. temperature chart together with the production lot # a..
$15.99
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use o..
$8.20
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use o..
$21.50
This item is sachets Available in 220 ml bottles and 20 ml sachets. Traditional buffer solutions ar..
$1.04
Hanna Instruments' solution, ideal for gardening, laboratory work, and field experiments. Comes in a..
$14.99
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments..
$18.99