Active Air COTEST CO2 Tester Kit

We recommend measuring CO periodically to ensure optimum levels for growth. The Active AirCO Tester Kit is an inexpensive alternative to costly electronic monitors. Use the tester kit to gauge proper CO level, as well as eliminate waste and optimize growth. The kit is inexpensive and easy to use and includes instructions.

• An inexpensive alternative to costly electronic monitors
• Use the tester kit to gauge proper CO levels
• Ensures optimum levels for growth