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Hi, Cree's website states that the maximum efficacy for the 3590 is 174lm/w . Can someone tell me which MA this is at? I'm looking at the "relative luminous flux" charts and calculating my lm/w based on that data but i'm wondering how are doing it? Thanks!

Is it possible to wire up two drivers to power one cob?

Hi, I've order some VERO 29 and . From looking at the datasheets it looks like there are two 3mm holes placed 43mm apart for both the COB and Holder. Are the same holes used to mount the cob and the holder? thanks!

From reading threads on RIU i know that pairing up more cobs with a lower amp driver such as 700ma is more efficient than running it at 2100ma. But lets say I use a 2100ma driver and dim it so it's drawing the same power from the wall as a full power 700ma driver would it have the same...

Hi, I'm in week 6 of flower and i've noticed the leaves on my plants beginning to look silver. The strain is white widow. Would love to hear any helpful insight on what this might be. Thanks in advance!

Hi, popped 3 seedlings on november 1 and one of them looks like it might have sacs. Could you guys help me identify this?

Hi, I know both phases play an important role in achieving a great harvest, but which do you guys think is MORE important? This question came up after watching one of @Growmau5 videos when he mentioned something about flowering was the time when your hard work has paid off and you get to see...

Hi, I've been looking at some enzyme products and two that have caught my eye are Biocozyme and Recharge. My plants are starting the vegetative phase and I'm wondering if it's okay to use these now? Any help is appreciated thanks,

Hi, I'm not sure what's up with my seedlings but they aren't as perky as I hope. What do you guys think this might be? I was thinking maybe it's a nutrient deficiency all together. This could be the case as I'm doing about 1/4th the nutrient ... Or it might be I'm over watering ?

Hi, My plants have been vegging for almost 4 weeks now and they've been drinking a lot more each day...Yesterday my reservoir went empty and before I got a chance to refill it i noticed my plants start to droop and some of the leaves dried up. I just finished watering them and noticed that a...

Hi, Just starting my first DIY LED grow. I managed to wire up everything and was excited to fire it up only to find out it only puts out 158watts (~20watts each) I'm using a kill o watt meter. Driver is HLG320h-C1050b Cobs are cxb3590 does this sound right? I thought it would be putting out...