Black & White poly is thick plastic sheeting that is black on one side and white on the other. It can be used to cover up windows, make partitions, cover floors and reflect light onto the plants. It is great for partitioning off spaces, as it is very tough, reflective, and can be handled on a daily basis without damage or tearing. The white side reflects 90% of all light.
A well-designed grow room will get maximum benefit from the light that is used, it is of the greatest importance to get the best reflection of available light.
Proper attention to reflectivity can increase the amount of available light. It is important that the plants are surrounded a closely as possible with reflective surfaces.
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