Am considering going with predator mites. But I use CO2. The guy who has the mites couldn't really tell me if they would survive or not, so before I plunk down my $110, I need to know. Also, does anyone know REALISTICALLY how many predators I'll need? It's 30 plants in a sealed 12x6 room which runs 1300 ppm. Avg temp is 75-80 avg humidity is 40-60%.