Choosing the right light deprivation cover is crucial for controlling the photoperiod and maximizing crop yields. A quality cover must be fully opaque to block all external light, yet durable to withstand UV radiation, wind, and rain. GreenhouseFilm offers light deprivation plastic that achieves 100% blackout, with a reversible black-and-white tarp to reflect internal light when neede... https://greenhousefilm.com/product/light-deprivation-plastic/