Measuring Instruments*
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Vendor:General Hydroponics
GH pH Test Indicator 8 oz
General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced growers prefer our pH Test Kit to...- $6.98
$14.00- $6.98
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Vendor:General Hydroponics
GH pH Control Kit (12/Cs)
General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial.- $15.00
$22.75- $15.00
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Vendor:Growers Edge
Grower's Edge Universal Cell Phone Illuminated Microscope w/ Clip - 60x (20/Cs)
The Grower's Edge® Universal Cell Phone Illuminated Microscope with Clip can be clipped onto any smartphone or mobile phone that is equipped with a camera. Images can be taken with your camera and stored in your smartphone's photo library. Great for record keeping and...- $14.99
- $14.99
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Vendor:HM Digital Meters
Continuous pH/EC/TDS/Temp portable/wallmount/bench
HydroMaster Digital testers make monitoring water easier than ever by reading the levels that matter most and providing accurate readings that you can depend on. Continuous pH/EC/TDS/Temp monitor with rechargeable battery. Portable, wall mount, or benchtop use. HydroMaster HM-500 pH/EC/TDS/°F Tester (113831)• Tests pH...- $359.00
- $359.00
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Vendor:Growers Edge
Grower's Edge Illuminated Microscope 60x (20/Cs)
Illuminated with 3 LED lights. Focus adjusting lens barrel. Battery operated (included). 60x magnification. 2 light settings: high and low. On/off switch. Includes storage case.- $13.95
- $13.95
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Vendor:Growers Edge
Grower's Edge Illuminated Magnifier Loupe 40x (12/Cs)
Powerful 40x lens. Unique, compact folding design with durable casing. Excellent illumination on specimen provided by two 6500º K LEDs. Can be used to identify plants and potential garden pests. On/off switch for the two LED lights. Batteries included.- $20.85
- $20.85
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