Black & White Panda Film 10ft x 50ft Roll Flood Tray Master Controller are sold separately

Master Controller are sold separately

These heavy duty full Inside Dimension flood trays are thick

Big Mama is Grodan's largest block ever produced

Remove wrapping and transplant into any loose media such as Grow-Cubes™ or coconut fiber or leave wrapping on and set on top of a larger Gro-Block™

frames and attics and basements

Black & White Panda Film 10ft x 50ft Roll Flood Tray Master Controller are sold separatelyThis waterproof poly film that is black on one side and white on the other. It works great as a reflective film for indoor grows as it reflects 90% of the light back into the growing room. The black & white poly is a very heavy duty film at a thickness of 5. 5 6 mil and is ideal for a variety of uses.