Hydrofarm CO2 Tester Kit Active-Air
Simple, fast way to measure CO2 levels to insure that your plants are getting
their optimum amount.
We 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.
DIRECTIONS FOR USE:
Step 1: Start with the plunger pressed down all the way (0 cc). The air sample should be taken from your grow room at plant level. Pull the plunger back to 100 cc to take an air sample. You now have your air sample of the growing environment.
Step 2: Place the small rubber tube (included) onto the syringe. Carefully break off the two round tips of the CO2 Test Tube. Making sure the arrow on the glass tube is pointed away from the syringe (the same direction as the air coming out of the syringe), insert the end of the glass tube into the rubber tube.
Step 3: Press the plunger slowly for about one minute so that the air in the syringe passes through the glass test tube. Sample time is approximately one minute.
Step 4: The CO2 Test Tube will now show a PPM reading. The reading is displayed in purple. Take the PPM reading at the point where the purple turns back to white.
Step 5: The optimum level of CO2 for plant growth is approximately 1200-1500 PPM. Levels over 3000 PPM are NOT acceptable for plants or people.
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