An electrician by trade, Mr Ball had installed a rigged a complex system with lights, a watering and feeding network, drying room and other equipment controlled by a laptop.
Police seized six dozen plants and more than 2.5 kilograms of dried cannabis stashed in various room around the Gundowring Road home.
Despite the size of the bust, the court heard that the marijuana was for personal medicinal purposes only, to manage his depression.
With no evidence of trafficking, Mr Ball was fined $3500 with a recorded conviction.
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