Hydrofarm Black & White Poly, 100' x 10', 5.5 mil Humidity Packs and Desiccant Packs Use Bionova N 27 to

Use Bionova N 27 to treat deficiencies: when the first fan-leaves are turning yellow

For all plants in all settings

Thumb tab for easy removal of tight seal

To extend the life of the product

Hydrofarm Black & White Poly, 100' x 10', 5.5 mil Humidity Packs and Desiccant Packs Use Bionova N 27 toThe white side is over 90% reflective for use on the walls and floor of your growing area to reflect light back to plants. The black side provides a light resistant partition. Features: Waterproof and tear resistant Use as is or cut to size Available sizes 10' x 25' 5. 5 Mil sheet 10' x 10' 5. 5Mil sheet 10' x 100' 4 Mil Roll 10' x 100' 5. 5 Mil Roll