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1,413 Electrical Conductivity Calibration Solution (1/4 Pint)

$5.99
1,413 Microsiemens EC Calibration Solution for Electrical Conductivity meters that measure low EC samples. 
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10.01 pH Calibration Buffer Solution (1/4 Pint)

$5.99
10.01 pH Calibration Solution for pH meters. Use this calibration solution to train your meter before each use so it knows what a 10.01 pH sample should be. 
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7.01 pH Calibration Buffer Solution (1/4 Pint)

$5.99
7.01 pH Calibration Solution for pH meters. Use this calibration solution to train your meter before each use so it knows what a 7.01 pH sample should be. 
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12,880 Electrical Conductivity Solution (1/4 Pint)

$5.99
12,880 Microsiemens EC Calibration Solution for higher ranging electrical conductivity meters. 
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4.01 pH Calibration Buffer Solution (1/4 Pint)

$5.99
4.01 pH Calibration Solution for pH meters. Use this calibration solution to train your meter before each use so it knows what a 4.01 pH sample should be. 
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84 Electrical Conductivity Calibration Solution (1/4 Pint)

$7.49
84 Microsiemens EC Calibration Solution for Electrical Conductivity meters that measure VERY low EC samples such as distilled water. 
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Budget 3 IN 1 pH, moisture and light indicator

$9.99
This low cost 3 in 1 indicator is designed to give you a quick indication of the pH and moisture content of your soils along with an indication of the lights your plants are receiving. 
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1,413 Electrical Conductivity Calibration Solution (1 Pint)

$11.99
1,413 Microsiemens EC Calibration Solution for Electrical Conductivity meters that measure low EC samples. 
Product Details...


12,880 Electrical Conductivity Solution (1 Pint)

$11.99
12,880 Microsiemens EC Calibration Solution for higher ranging electrical conductivity meters. 
Product Details...


10.01 pH Calibration Buffer Solution (1 Pint)

$11.99
10.01 pH Calibration Solution for pH meters. Use this calibration solution to train your meter before each use so it knows what a 10.01 pH sample should be. 
Product Details...


7.01 pH Calibration Buffer Solution (1 Pint)

$11.99
7.01 pH Calibration Solution for pH meters. Use this calibration solution to train your meter before each use so it knows what a 7.01 pH sample should be. 
Product Details...


4.01 pH Calibration Buffer Solution (1 Pint)

$11.99
4.01 pH Calibration Solution for pH meters. Use this calibration solution to train your meter before each use so it knows what a 4.01 pH sample should be. 
Product Details...


Meter Wash Bottle With Fine Tip 500mL

$12.99
This wash bottle features a small tip at the right angle to wash test tubes, cuvettes, meters and virtually anything else. Made from high density polyethylene to resist leaching into samples. 
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Service Unit for MLT6 Irrometers

$13.99
This service unit includes one hand operated syringe style vacuum pump, 1 bottle of irrometer fluid, and 1 instruction sheet. Everything you need to run your irrometer. 
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84 Electrical Conductivity Calibration Solution (1 Pint)

$14.99
84 Microsiemens EC Calibration Solution for Electrical Conductivity meters that measure VERY low EC samples such as distilled water. 
Product Details...


pH Buffer Solution Powder 9.18 pH Makes 250 mL (5 pack)

$14.99
This pH buffer solution powder can be quickly and easily mixed with distilled water to make 250 mL of 9.18 pH buffer solution. Comes in pre-measured, individually wrapped packets. Five packets included. 
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Zero Dissolved Oxygen Solution (Pint)

$14.99
Used to calibrate or to test the accuracy of Dissolved Oxygen Meters. 
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pH Calibration Buffer Kit 4.01, 7.01, 10.01 pH (1/4 Pint)

$14.99
This buffer solution kit includes 1/4 pint each of 4.01, 7.01 and 10.01 pH calibration buffer solutions. They come in high density polyethylene squirt bottles for one-handed use. 
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Storage Solution for pH and ORP Electrodes (500ml)

$14.99
HI70300L - To minimize clogging and ensure fast response time, always keep the glass bulb and the junction of your pH and ORP electrode moist. 
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pH Buffer Solution Powder 6.86 pH Makes 250 mL (5 pack)

$14.99
This pH buffer solution powder can be quickly and easily mixed with distilled water to make 250 mL of 6.86 pH buffer solution. Comes in pre-measured, individually wrapped packets. Five packets included. 
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