Sentinel makes a great setup. If you have natural gas or propane a co2 generator is the way to go.
If no fuel source is available your stuck hauling co2 tanks for refills. :( Use a fuzzy logic controller on a tank.
Venting would blow your air conditioning and co2 out of the room. :(
With...
People in this country are a bit spoiled. Look at countries like India and China, that was our workplace 100 years ago. We insulated ourselves from reality with cost increasing osha regulations and insurances.. Now we want cheap products but our safebwell regulated workplaces cant provide...
Use of a co2 controller is recommended. If your venting you need an environmental controller as well so you can disable co2 enrichment when exhaust fan is running. If using a tank you want a fuzzy logic controller.
From the sounds of things you need to deal with heat with constant exhaust...
Yodaweed - They havent gone so far as to make an exact distinction about the definition of mature. The intent is that only three plants would be flowering at one time. The industry regards this to mean plants in a room lit 18 ormore daily. Presexing is not regarded as flowering. The grey...
Sounds like a syringe filter or vacuum assisted filter is required.
One could very carefully use a syringe to gently siphon off the solvent leaving the precipitate layer and a little good solvent.
Anything under 3 or 4 kW of light shouldnt arouse any attention provided no other clues give you away. Running on a flip makes it diifficult for smartmeters to detect a 12/12 usage pattern.