How long should i keep the lights on?

[blueberrykush#1]

during the veg stage wat should the lights be set on?

 

[BlackTurboTeg]

18/6 lets it grow more to i think because it grows the most when there is no light

 

[upnorth]

what kidda light is imorttant

sorry cant spell

 

[blueberrykush#1]

im using two 4ft flouros for two plants