I havent been here in a few weeks. What happened? People hating on my grow? Man I missed it..
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Thus, hourly ventilation between 1 to 3 minutes is required to replenish the oxygen level for a 24 000 Btu generator. For reference, a 24,000 Btu/hour gas generator outputs about 13 standard cubic feet of CO2 per hour.
Active systems usually are better than passive ones. 1st learned that from designing solar hot air panels.Hey Getto,
you ditched the PPK and went back to the DWC huh?