Hydrofarm Black & White Poly 10'x25' 5.5 mil Ducting Perhaps the coolest feature of

Perhaps the coolest feature of the EX400 is that when used with a BP-1530 booster pump

Power Si also increases nutrient absorption and bioavailability of all other nutrients by acting as an efficient transporter

Also used as a fast-acting

and the like

Hydrofarm Black & White Poly 10'x25' 5.5 mil Ducting Perhaps the coolest feature ofThe 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