Grodan Improved Gro-Block Big Mama, 8 x 8 x 8, no hole, case of 18 chillers-heaters-and-purification Includes a quality UL-listed water

Includes a quality UL-listed water pump with pre-filter housing to keep sprayers free from debris and preventing clogging

the light stays cool and very quiet

Mounting Hardware

Can be used up to the day of harvest - 0-day PHI (Pre-Harvest Interval)

DESCRIPTION

Grodan Improved Gro-Block Big Mama, 8 x 8 x 8, no hole, case of 18 chillers-heaters-and-purification Includes a quality UL-listed waterGrodan Improved Gro BlocksLeverage the benefits of products developed alongside plant scientists, that are specifically engineered to deliver real results for your crops. Grodan Gro Blocks Improved with Advanced Wetting Technology Grodan's improved stone wool substrate. Keep it RealReal ScienceGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone