black sail

Get yourself a Cannon for only $299 each! That's 240 Watts, at 2.0umol/J, with an operating heatsink temperature of ~120F, for only $1.25 per watt! Offer available until 1159pm on Sunday at BlackSailMarket.com :smoking:

Flower Initiation Flower Initiation is awesome for photos, but it probably won't make a difference with autos. For photoperiods, flowering is triggered by a pigment called phytochrome. It has an active state(Pfr) and an inactive state(Pr). In the dark it takes about two hours for all the...

Hi im trying to work out whether its worth getting a cob led. I have a led (600w mars hydro panel) Already but seen alot about cob ones. This is my led But im thinking of getting this 400w roleadro cob led Do you think it would be worth it? Its mainly for the summer as i use a 400w...

Black Sail! Hey everyone we'd like to introduce the company Black Sail and their flagship product, the CANNON! Keith with Black Sail has generously offered up a test light to one of our product testers on the site and he's going to give it a spin to see how it stacks up! We'll have more...

hello all! im looking for some advice on a replacement grow light. im currently running a viparspectra v300 reflector series lamp. i recently upgraded to a slight larger grow tent at 32"x32"x63" and am looking to upgrade my grow lamp to something powerful enough to cover this grow tent size that...