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The Test King

The Test King
Manufacturer: Control Wizard Products
MSRP: $19.95
Price: $9.49

The CO2 Syringe Tester allows accurate testing of CO2 levels. Includes 2 tubes.

Draw 100 cc's of you growing area's air into the syringe. Break off both ends of a glass reagent tube and insert the tube into the syringe with the arrow on the tube pointing away from the syringe. Now gently push all the captured air through the tube. Examine the tube. Where the purple color stops and the white begins is a PPM number. That's the CO2 count in your area. Yes, it is that simple.