Interested in a waterproof replacement for reflective film? Heavy-duty, Black & White Poly from Hydrofarm includes a black side to seal in light (or block it out) and a white side that reflects it. Ideal for walls and floors — it’s easy to hang and requires no structural changes to your indoor growing area.
• White side has 90% reflectivity — perfect for walls and floors!
• Black side is light resistant — keeps sunlight out!
• Two sided, heavy duty poly folds out to 10-feet wide
• Easy to cut for a perfect fit
• Size: 10′ x 10′ square (5.5 mil thickness)
Reflective material should be placed no more than ONE foot from plants for optimum results. To do this, build movable walls using sturdy Black & White Poly or lightweight plywood painted white.