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I have a small grow (2 girls) and height issues in my grow space. Because of this I decided that I would use 4 2' HO Flouros for the 1st part of Veg and then switch them to a 150 hps (16,000 lumens) to run the course. I have been using the 150 hps happily (my girls have been enjoying it), but I thought that I could do better. Adequate for the job, it is, but I'm looking for max results for my space. I also have a 125w red spectrum CFL (10,000 lumens) with a batwing reflector that I was going to use as a side light, but discovered that the heat was too high after adding the flouro. It wasn't the light itself that was hot (you can touch it in operation without being burned), but the batwing reflector wasn't allowing the air to circulate well because I had it mounted sideways to provide lighting to the "exposed" (not lit well) side of my plants. It also made it really difficult to do any maintenance (even just checking them required that I take the entire fixture down) to my bubbler (check pH) and left little to no room for my fan. The fix you ask? Add another horizontally mounted 150w hps. The heat generated from my current 150 hps is minimal so I decided that another wouldn't create a heat problem (especially since it has a glass protector), and horizontal mounting means no circulation problems. This will give 16,000 lumens of dedicated light to each of my girls for a grand total of 32,000 lumens in a 6 sqft space or a bit over 5,000 lumens per sqft. Why not add a single stronger light (say 250 or maybe even 400), you ask? Well, my current 150 hps is part of a dual system light fixture which also houses my flouros (Spectra Max by Sun System) so I couldn't rid myself of that light. Also, I have definite height issues (from bubbler surface to tippy top of room is only about 3 ft.) Once you take the 4 inches for the light plus the space required to be in between the light and plant tops, we're looking at plants that can be a max of about 2.5 ft in height or less (can anyone say LST?). Were I to have a more powerful light, that max height would be even less, hence twin 150s. So, once the light arrives, I will have 32,000 units of juicy lumens to bathe my girls in the light they so crave. So the question you ask? Realistically, how might this new light source affect my grow? I am currently about 1 week into 12/12. I imagine that by the time I receive the new light and install it, it will be about 2 weeks or so into flowering. I have 2 different types of grows happening right now, one in a dwc bubbler, the other in soil (Fox Farms Ocean Forest), both using FF nutes according to the schedule provided by FF. | ||
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| | #2 | ||
| Hemp Wizard ![]() ![]() ![]() ![]() ![]() Join Date: Jan 2003 Location: U.S.A.
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