Grower's Choice ROI-E900 GR58142 Flush then replace with fresh

Flush then replace with fresh nutrient solution

Serenado ASO has Bacillus subtilis strain QST 713 as its active ingredient

then add Elite 91 SILICIC ACID

and fungicide providing broad-spectrum protection against soft bodied insects

NSF Certified for drinking water systems

Grower's Choice ROI-E900 GR58142 Flush then replace with freshIntroducing the Growers Choice ROI E900, the new LED series, Heavyweight. This XL 8 bar powerhouse commercial fixture boosts up to 1,000 watts of supercharged photon output, earning its nickname Fat Boy. Using Growers Choices proven PAR formula, the ROI E900 radiates across 4x5 grow spaces utilizing our unique PAR formula and 3k full phase spectrum producing tremendous light output and canopy coverage. Designed to accommodate commercial cultivations