CO2 TEST KITWe recommend measuring CO2 levels periodically to ensure optimum levels of growth. This CO2 Test Kit by ActiveAir™ is an inexpensive alternative to costly electronic monitors. Measure from 300 to 5000 ppm. Easy to use.
Each Kit Includes:
• 1 100cc sampling syringe
• 2 CO2 gas detection tubes (each good for one test)
• Complete instructions
Replacement detection tubes are available