To make the long story short, a while back, I setup my orchid terrarium in a 40g fish tank. Just 3 common mini Phala orchids and they did fine and did bloom for the past 2 years. My other plants grew too big and now, few weeks ago, I made myself an indoor grow tent/green house enclosure.
Size is about 4ft tall. 5 ft long and 2 ft deep. Is cover with a sheet of clear vinyl and the frame is constructed using 1/2 inch dia PVC pipes. 4 t8 bulbs for the lighting (15 hours per day). Planning to add another 2 bulbs trip, making it 6bulbs. There is a 4" computer case fan blowing inside. The humidity is kept 80% to 95% for most of the day.
My rest of the plants (mostly ferns and some airplants and bromeliad) are doing fine. My other other mini orchid (phala) are doing fine.
With the all the space I have now, I am thinking about adding some Den Frosty Dawn. I also read about some people couldn't get it to bloom for 3 years.
Should I go ahead anyway? How big do they get? Are their root system becomes long or just bunched up and dense? Obviously, I am going to air mount it potted inside a container with plenty of holes. My enclosure is 4 ft tall but there are plants near the ground level. So, in total, my tent can accommodate a 2ft to 3ft tall specie.
I am planning to order one on ebay, from a well known grower in Hawaii. $34 for a foot tall mature plant near blooming (6 months+ from now).