Seaweed Organic 11%, 1 gal (4/cs) grow-light-reflectors You need to add nutrients

You need to add nutrients when you first water the substrate (use your nutrient supplier's recommendations)

It is safe enough to spray at harvest time

Coconut Coir: a natural water-holding ingredient providing on-demand moisture

When expanded

Hydrofarm's Xtrasun reflectors were designed with our customers' needs in mind

Seaweed Organic 11%, 1 gal (4/cs) grow-light-reflectors You need to add nutrientsGrow More Seaweed Extract offers a all natural organic non toxic product that leaves no residue on crops. May be applied anytime during the growing season through harvest. Grow More Seaweed Extract contains naturally balanced chelated trace elements such as boron, molybdenum, copper, zinc, manganese, iron, and cobalt. The natural chelating agents are alginic acid and mannitol. Seaweed Extract contains low concentration of naturally occuring plant