dave601m said:do you just use the small home depot red oxygen tanks for welding, or did you go to a gas supply place, or where do you go for it? do you think even with a powerhead with a venturi in the bucket they would still not have enough oxygen? i'm not worried about temperature at all, that i can control very well, it's jsut the oxygen that's the hard part.
what ratio of water to oxygen do you use in each bag? how do you control ammonia? thanks!
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