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69% RH is Integra's answer
Even if they dry out
so you can extend a run or splice in a new head fast
Directions for Use: Just place seeds or cuttings into the hole in the top of the plug
Autopilot CO2 Generator, 8 Burner, NG Hawthorne Gardening Company 69% RH is Integra's answer8 Burner NG CO2 Generator Output and Coverage This 8 burner Natural Gas unit produces 21. 6 cu ft hr of CO2 at 22,136 BTU on NG. The manufacturer rates it for enclosed spaces up to 8,000 cu ft, roughly a 28' x 28' room. Each brass burner makes about 3 cu ft of CO2 per hour. Run it off a CO2 controller so it fires only during lights on. Running an Autopilot Generator in a Sealed Room The unit hangs from the ceiling and needs 20 in of clearance on every
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