Adapting an inexpensive PVC greenhouse into a small grow “tent” is a simple way to scale-up from the Shotgun fruiting chamber. Modifying a 4-tier greenhouse or the slightly larger “walk-in” greenhouses creates more grow and allows for a level of automation. Either using off the shelf domestic humidifers or making your own, can be combined with readily available humidistats and a ventilation system using a variety of easy to purchase fans and ducting.
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