Grotek Core Size:Grotek Core, 500ml 5 times longer saving labor

5 times longer saving labor and maintenance expense

we alternate which lamp is switched off every time an autodim event occurs or when you dim down to a low level

14 gauge cord with grounded 120V plug for maximum safety

first-of-its-kind top-feeding wicking system that provides the most even way to deliver water and nutrients to your potted plants

When you dissolve Commercial Grow into your water

Grotek Core Size:Grotek Core, 500ml 5 times longer saving laborAt the heart of Grotek's line is the essential NPK that provides the foundation for their multi product formula. Core is based on plant matter, which provides key minerals but also high levels of humates and other plant and mineral derived metabolites. This formula can also be used to feed and stimulate soil biology, increasing production of substances known to accelerate plant growth. Just like the rest of the Grotek liquid organic range, Core is