also keep them close to the plant's 2-3 inch's from the top's to keep them from stretching

good luck-smokes
smokesalot Reviewed by smokesalot on . quick Fluorescent question Hey, starting new 10 green spirt dutch passion grow with 1 1000 watt hps. after i germinate, i am planting in stryofoam, i bought a flouresant fixture and 2 40 watt Fluorescent grow tube with 900 lumen output with 6400K color. Just wondering if this is gonna do me well for the first week to week and a half until introducing to the big boy HPS? Thanks guys. Rating: 5