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In short the light has been used on several of our tanks including the BRS 160 with success in keeping the algae growth constant without major pH swings between day and night. It certainly has worked on our systems but there are several other variable which can impact pH. Feel free to let us know if you have any further questions!
This light has a single knob to adjust the intensity of the fixture. There is only 2 spectrums included the grow(recommended for algae) and bloom which is strictly used in hydroponics or plant flowering. Feel free to let us know if you have any further questions!
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Dense Matrix LED Technology
Kessil is a leader when it comes to LED lighting technology. With their Dense Matrix LED's producing a concentrated source of light, and switchable spectrum every wavelength within the spectrum is mixed perfectly allowing even and full growth. The H380 now has 30% more power than its predecessors allowing for deeper penetration and greater efficiency. The one fixture contains two unique full color spectrum blends with enhanced UV light.
Extreme Purple - Ideal for the growth phase of algae or plants. This spectrum will produce rapid growth while producing a lush, healthier algae. We suggest tuning the H380 closer to this spectrum to allow faster growth and uptake of nutrients.
Extreme Magenta - Targets the bloom stage, driving plants to increase quality and quantity of yield.
Dimensions - 4.5" x 4" (Length x Diameter)
Coverage - 24" surface diameter by 3' penetration (on average)
Power Supply - 100-240V AC (input) 19 VDC,4.74A (output)
Power Consumption - 90w max
Very Effective By Tbone on 7/20/2017Tbone would recommend this product to a friendThis light has a noticeable effect on growing and blooming different plants while using little energy and producing very little heat. Spectral switches are user friendly and science/data driven for max effect.
Great light By Adam on 5/22/2017Adam would recommend this product to a friendI've tried several different bulbs over my refugium to grow chaeto and all worked so to speak but nothing has made it grow anywhere close to the rate it does with this light. Worth the price!
Works great! By Jan on 4/18/2017Jan would recommend this product to a friendI've had this lamp glowing purple over my cheato since 4/1/17 (2 weeks) and the growth has really been great. I would estimate that it has grown at least 2 times the size over this period.
Tremendously better than the $7 HD compact fluorescent I had been using. What really convinced me to drop all of that money on this light (which is expensive) was something Randy on BRS TV said. There was no way that my cheap HD light was able to compete with the 3x250 watt MH bulbs over my display tank. All of the algae was growing in my display and not in the refugium. Now my tumbling ball of cheato is growing beautifully!
Very happy with my purchase!
Expensive but worth it By Robert on 4/18/2017Robert would recommend this product to a friendVery expensive at $300 but i would highly recommend. This thing grows chaeto extremely fast and im always bringing a 5 gallon bucket full of chaeto to my LFS because there is so much. This light grows a nice soft chaeto as opposed to the other light i had.
Unbelievable Light By Alex on 4/10/2017Alex would recommend this product to a friendYes the price is expensive for a fuge light, but it pays off! My chaeto has absolutely exploded with growth under this light. It almost quadrupled in size in two weeks!
AMAZING-And Worth It By Michael on 3/30/2017Michael would recommend this product to a friendI know what you're thinking: $300 for a fuge light? I know. I know. I hemmed and hawed before I finally caved, and I'm so glad I did. This is incredible and does everything it claims (and then some). Trust me, if you have chaeto in your fuge, you want this light.
Wow what a light! By RobertP on 3/13/2017RobertP would recommend this product to a friendYeah it is expensive but it is worth it. I had the clip on light wirh a led grow bulb and my chaeto was growing a little but slow. Had this kessil in a week on the same 12 hr schedule and the chaeto doubled. I left it in another week and the chaeto is a thick mat. Great way to export nitrates and phos.
Excellent By Johnny H on 3/4/2017Johnny H would recommend this product to a friendAlgae isn't the only thing it grows
Wow By Jon on 2/10/2017Jon would recommend this product to a friendLet's just say it works and by that i mean the results are amazing algae growth. You won't be disappointed with this purchase.
Grows Like wildfire! By Mark on 1/29/2017Mark would recommend this product to a friendI installed this light over my sump refugium about one month ago and could not be happier with the results. My chaeto has grown into a thick mat and I just have the light coming on periodically throughout the day for maybe an hour or so or less. I am growing enough chaeto to add to my main display tank so no more buying chaeto for me at this point, it seems. It is working out so well that I am about to buy another one for my main display.
Of course there are cheaper options here but I like my whole reef tank setup to look like a beautiful well-built setup and not some sort of Frankenstein laboratory contraption. I c ould buy a cheap light from home depot to grow chaeto but ain't nothing like opening my sump cabinet and seeing that nice, sleek looking Kessil H380 hanging there.
Nice light By Daniel on 12/31/2016Daniel would recommend this product to a friendI purchased this light in hopes of growing my chaeto in my refugium more aggressively. I have a 135 gallon tank with a sump and a separate 15 gallon refugium. I have been running the light for 16 hour periods for a little over 2 weeks now. My chaeto has probably doubled in size during that period, but I started with only a small softball size clump. Previously, though, my chaeto had pretty much stalled in growth but I was only running 12 watts of white LED's on it. Other reviews I've read talk about having much greater growth than I have experienced, but I suspect that is more a result of my ultra low nutrient system (nitrate is typically 1 ppm - 2 ppm, and my phosphate levels are less than 0.01 ppm).
Great Light By Newt on 12/10/2016Newt would recommend this product to a friendI struggled for years getting cheato to grow. I have tried many different bulbs and setups with limited to no success. I put this light over my sump and instantly my cheato started to grow like crazy. In fact it doubled within a week. I was very impressed. It's price was at a premium, but for the results well worth it.