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I would not use that - you are cutting the direct intensity down by 90%. Use diffuser from home depot or lowes, the kind that goes in a ceiling...
I think your lights could be too close. I would back them off about 1" further away Bigger is not necessarily better. It's about the rate. If...
Pics would help - take a few and post when you get a chance :)
Welcome to the site! It sounds like you actually have multiple issue here that are all contributing in one way or another, and some could be...
That's actually closer to green, from what I can see. Go easy on the cleaning (harvesting) leave plenty behind, don't scrub the screen clean or...
Not sure why you would dose nitrate and phosphate directly for the coral? Corals are animals and eat food, if anything, I would provide them an...
Yes - the blues or violets seem to "enhance" growth, or make the growth "fuller"
Interesting, Got a link?
Just FYI, to my knowledge, trisodium phosphate is about the worst thing that you want to put in your system. It is a preservative that is used in...
It has to do with the chlorophyll peaks, 660 and ~415 go together for chlorophyll A, 630 & 455 go together for chlorophyll B. So 660/415 is a...
Where you been man!?
6 reds (660) : 2 violets, violets at 50% of the reds
That's what I've been using for years. 100%, yes. 410-425nm hyper-Violet SemiLED from Steve's LEDs is what I use. They are reliable. Off-brand as...
I think many people correlate N and P levels to a direct indicator of a potential algae problem. I don't feel this is necessarily the case. In...
Actually, that is not necessarily true. Some people have had issues with corals when the nutrient levels drop to zero or "ultra low". However, I...
looks like a straight-up copy of the A.R.I.D. unit. I hear mixed reviews, most are good, the biggest complaints I've heard is the price and the...
Not sure about that one, but the SMD LEDs like that tend to be not as effective. Although, things are changing pretty rapidly, there are new ones...
I've been running one on my tank this way for several years, you can go back in my videos on my YouTube channel and see many iterations [MEDIA]
You are on my waiting list, but I am very far behind any planned production schedule. Work ramped up to the point where I haven't even set foot...
Whoa that is awesome!!! Good find! I honestly didn't even think to look for something like that. I have all kinds of uses for it!!!