best color spectrum for coral growth

So to start off, I am no expert in keeping reef tanks and I have only kept them for around a year. I have heard of people saying that they get very good growth from 6500k lighting but it really browns out the corals and of course is very unappealing. On the other hand, the majority say that a...

Hi, I have just purchased new AI Prime 16HD to re place my old Kessil A350W in my nano of 16x18 inches and 18 gallons tank I’m struggling to get best spectrum for mantain mix corals with some sps on the top. I tried AB+ and Saxby but it seems to me too much blue spectrum and I like a more...

I have a fluval 13.5 gallon tank with the current orbit marine LED light. I’m wondering what Light settings are best for coral growth? How long should I have have my lights running? My coral is struggling. Answers please!

Hey everyone I need some suggestions and input on my hybrid light fixture configuration. Im looking at getting an Aquatic Life 36" HYBRID T5HO 4X39W FIXTURE from brs for my 40 gallon breeder build. This tank will be a mixed reef tank with softies and LPS and maybe some easier sps eventually...

Hey all, I'm looking for some specific lighting advice on the Orphek OR120 LED light bar. We're currently moving 30g LPS/Euphyllia dominated tank to a new WB 135.4. I've been testing out our T5 lights and just find the spectrum to be flat and uninviting (I'm aware it probably is amazing for...

just got my hydra 32's mounted on a 20g long tank it is mounted 12inches above the tank. not sure what each color should be set to. can anyone shed some light on how to set up this light lol. the tank will house encrusting montiporas and zoas with some rock flowers on the sand bed.

The idea for this light has been bouncing around in my head for about 5 years. I keep waiting for some company to make the light, but they haven’t. Basically, a T5/Halide killer. What reefers actually want, as far as I Overview: Under $750 Large panel with densely packed lower wattage LEDs...

Orphek brings you exclusive pictures with the new Atlantik V4 spectrum! Last April we shared an amazing Japanese 400 gallon reef tank belonging to our friend and client Masahiro Kamya from Pacific-Japan Co. Our trip to Japan gave us the opportunity to meet him and his adorable wife in person...

Hi, I have a 45 gallon LPS and softie tank with current marine ic LED lights. I have the daylight cycle running for 9 hours during the day, and a moonlight cycle that runs for 6 hours. The moonlight cycle currently has the blues set to 10% intensity. My understanding is the corals rely heavily...