Blue light good for leafy , red light good for grow root , flowering .Full spectrum combine blue, little green , red , IR in a light , it's best sun light similar, suit for all plant grow .
Plant:lettuce, from seedling to harvest .
Light: 20w ,20 pcs 1w led,120cm
spectrum:full spectrum pink color
grow area:1.2m*0.6m, 0.72sq.m .
result lettuce weight:75-85g/plant
Lettuces grow well and harvest earlier .