ExHale, The Original CO2 Bag Environmental Controllers They include a highly precise

They include a highly precise speed control unit that can be detached from the fan and power cord if desired

Use to adjust the pH of fertilizer and plant micronutrient foliar solutions

Weight: 6 lbs

and selectable automatic shut off

ExHale, The Original CO2 Bag Environmental Controllers They include a highly preciseThe Original ExHale CO2 Bag produces CO2 24 hours a day with no need to refill bottles or use expensive CO2 production units. The power of ExHale lies in the mycelial mass inside the vented bag. This mycelial mass produces CO2 and the microporous breather patch releases CO2 continually for at least 6 months. On average our CO2 bags will raise the CO2 level by 500 ppm above ambient air levels. The Original ExHale CO2 Bag is designed for small to medium