Grotek Core Size:Grotek Core, 500ml we alternate which lamp is

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

which can help prevent overwatering of plants

5 times longer saving labor and maintenance expense

900 lumens with a 5500° K lamp color that is ideal for propagation and vegetative plant cycles

14 gauge cord with grounded 120V plug for maximum safety

Grotek Core Size:Grotek Core, 500ml we alternate which lamp isAt 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