Thank you sir, I appreciate that
The Hydrogen worked great for me and is very efficient for medium to large rooms. I used reservoirs to feed my Hydrogen because I like to conserve resources where I can and a constant flow of water going to waste would give me nightmares lol
A 55 gallon drum of water used as the feed and return does heat up quickly and was close to being too hot and not letting the hydrogen turn on again but it was enough that I never had that problem. Two things I would suggest doing differently if need be:
1. I would build a reservoir that was long rather than tall and very shallow so the water would cover a higher square footage and place it directly on the ground to help dissipate heat.
2. Move the reservoir out of the room, only if the room was too small to fit or the extra heat from the water created a cooling problem in the room.
Keeping the flame lit was never a problem for me. Making sure your water is clean and filtered helps immensely in this area as does cleaning and maintaining the jets and also making sure you have a quality source of gas (not propane from your local Quicky Mart).
Now as far as your application is concerned there are a few issues. First, your area is incredibly small and using a hydrogen would be pointless and expensive overkill. Secondly, I don't know where your tent is, but knowing most people's situations, it's likely in your room or another occupied area of the house and a generator of that size can kill you or others if not properly sealed and/or ventilated. And lastly, the area you are using is so small that the amount of air turnover you would need to keep those plants healthy would negate the benefits of using CO2 anyways.
I'm sorry if I burst your bubble on this but I really am looking out for you
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