Maximum Yield USA February 2019 - Page 50

LIGHT LEAKS AND SEALED GROWROOMS by Kent Gruetzmacher Light leaks in your sealed growroom can be disastrous for some kinds of plants. They can also be a sign that more than just light is getting in, including pests and other environmental variables. W hen planning and setting up indoor gardens, growers spend time and money in the creation of environments where plant species thrive. For sealed growrooms, this process represents a careful balancing act between temperature, humidity, light, and CO 2 . However, once an indoor grow is operational, these synthetic environments create challenges for growers that are non-existent in the natural world. The reaction of indoor plants to light leaks during dark periods (night- time) presents one of these unusual phenomena. 50 Maximum Yield