Cool growing 'orchidarium'
Upgraded my small cool growing tank to bigger one.
Tank size: 80cm x 40cm x 45 cm (wide x depth x tall).
Lighting: 20 x 1watt 6500K LED with lenses.
Cooling system: my old 90lt refrigerator, 60watts.
Air circulation: 3 x 3inch PC fans (2 inside a refrigerator : 1 for circulation, 1 for pushing cool air into the tank), 1 inside the tank for drawing cool air from 'air duct' and inside tank circulation.
Tank temp.: Day about 18-20C, night 13-15C. (ambient temp. day about 26C, night 22C)
Humidity: 70-85%
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