Sunday, September 25, 2016 4:11:46 PMgrainemarihuana
P" For example, when ~l-THC is given at a dose of 0
The basic CO2 tank system looks like this:
20 lb tank $100
Timer or controller $10-125
Fill up $15-20
Worst case = $395 for CO2 tank set-up synced to a exhaust fan with a thermostat.
CO2 is cheaply produced by burning Natural Gas. However, heat and Carbon Monoxide
must be vented to the outside air. CO2 can be obtained by buying or leasing cylinders from local
welding supply houses.
photo pied zamale