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Milwaukee Instruments 1382 ppm Calibration Solution, 230 ml
Brand: Milwaukee Instruments
Available in 230 ml bottles and 20 ml sachets. Traditional buffer solutions are packed in 230 ml leak-proof bottles and are recommended for lab application. Sachets are sealed against light and air and are ideal for on-the-spot calibration. Simply open, …
Item #: 133166
In Stock

Pack of 3
Price:	$28.80
	$9.60 (ea)

Bluelab 7.0 pH Calibration Solution, 20 ml Sachets, case of 25
Brand: Bluelab
Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and conductivity standard solutions are essential for use with all Bluelab products for the calibration of pH and testing the cleanliness of the …
Item #: 139841
In Stock

Price:	$36.01

Bluelab 4.0 pH Calibration Solution, 20 ml, case of 25
Brand: Bluelab
Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and conductivity standard solutions are essential for use with all Bluelab products for the calibration of pH and testing the cleanliness of the …
Item #: 139842
In Stock

Price:	$36.01

Hanna pH 4.01 Calibration Solution, 20 ml, case of 25
Brand: Hanna Instruments
Hanna's Buffer solutions are made from established formulas and are standardized with a pH meter that is calibrated to NBS/NIST primary standard buffer solutions. The 20 ml sachets are ideal for infrequent calibrations while for heavy-duty applications, …
Item #: 131916
In Stock

Price:	$29.60

Hanna pH 7.01 Calibration Solution, 20 ml, case of 25
Brand: Hanna Instruments
pH 7 is the most frequently used pH buffer. All Hanna solution bottles come with a pH vs. temperature chart together with the production lot # and expiration date to guarantee maximum accuracy. Formulation Hanna pH buffers are made of potassium dihydrogen …
Item #: 131917
In Stock

Price:	$29.60

Hanna 12880 μS/cm Calibration Solution, 20 ml, case of 25
Brand: Hanna Instruments
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments. Comes in a package designed to keep air and light from damaging the solution.
Item #: 131918
In Stock

Price:	$29.60

Hanna 1413 μS/cm (EC) Calibration Solution, 20 ml, case of 25
Brand: Hanna Instruments
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments. Comes in a bottle designed to keep air and light from damaging the solution.
Item #: 131919
In Stock

Price:	$29.60

Hanna 1382 ppm@25C Calibration Solution, 20 ml, case of 25
Brand: Hanna Instruments
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments. Comes in a bottle designed to keep air and light from damaging the solution.
Item #: 131920
In Stock

Price:	$29.60

Hanna 1500 ppm@25C Calibration Solution, 20 ml, case of 25
Brand: Hanna Instruments
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments. Comes in a package designed to keep air and light from damaging the solution.
Item #: 131928
In Stock

Price:	$29.60

Milwaukee Instruments pH 4 Calibration Solution, 20 ml Sachets, case of 25
Brand: Milwaukee Instruments
This item is sachets only Available in 220 ml bottles and 20 ml sachets. Traditional buffer solutions are packed in 220 ml leak-proof bottles and are recommended for lab application. Sachets are sealed against light and air and are ideal for on-the-spot …
Item #: 131963
In Stock

Price:	$20.80

Multi Flow 12 Pot Hydroponic System
Brand: Multi Flow
This system requires 100 liters of growing media, not included. The Multi Flow system has individual containers for each plant that can be placed close together for small plants and farther apart for larger plants. Moving plants is simple just lift out …
Item #: 135378
Out of Stock

Price:	$587.00

General Hydroponics pH 7.0 Calibration Solution 8 Ounce (236 ml)