blue spectrum

Currently running a small scrog (60x60) with a 400w Sunmaster dual spectrum bulb. Worth the investment to change over to specific spectrum bulbs for veg and flower - would I get a noticeable difference? Recommended 400w E40 bulb?

Hello all, My seedlings are about 2 weeks old now from seed. They are just poking their 4th pair of leaves up now, stems seem to be thickening and so far very healthy. I've got GSC, NYCD, and Misty growing (1 plant of each, all fem except misty which unfortunately I got 2 bad seeds from out of...