If you could keep your room closed completely during the dark period of your plants flowering cycle, you could simply put a bucket above your plants with a pound of Dry Ice in it and use a very small oscillating fan to equally distribute the CO2 around the enclosure.boricua22 said:wud up peeps, i wanted to know if i was to use dry ice, how much will i need and how do i set that up. for like 6 plants.
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