Hydrofarm Black & White Premium Poly BOOSTER Optic Foliar Shift is a

Optic Foliar Shift is a ready-to-use foliar nutrition spray that helps reduce plant stress

Rhizo Force brings 70 years of experience and knowledge into one simple product

Combines perfectly with PK 13/14

GP3 Micro (500ml)

Hydrofarm Black & White Premium Poly BOOSTER Optic Foliar Shift is aThis waterproof poly film is black on the outside and white on the inside! Why Black & White Poly? Thick 5. 5 mm poly sheeting! Reflects 90% of the light back to crops on the white side! The black side absorbs light effectively! Can be used to partition and waterproof! The white side reflects light on the growing surface, as it reflects 90% of the light! The waterproof, light proof film also helps prevent the growth of algae and mold on walls. By