coral lighting

Hello Reefers! I know there are numerous threads regarding lighting, but I have a Fluval Marine 3.0 and a 40-GAL tank that I just can't seem to get the lighting right for my corals & my fish. I have 1 Frogspawn, 1 Bubble Tip Nem, 2 Torches, and 2 Zoas. I was told by my fiancé's brother who had...

I need a cheap light for my fish tank that is 24inL 16in wide and tall. I want to have zoas and acans and mushrooms. Please less than $100

I bought a deep blue 80 gallon frag tank (my first non-nano tank). It’s 4 foot long and 16 inches deep. I have 2 Kessil A160we lights at 7 inches above the water level. Does anyone have recommendations on a lighting schedule that I can use for mainly Zoa's to start. I also have the Kessil...

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 everyone, I currently have 2 a360we’s over my 40g breeder.. I was only running one up until recently at about 70 intensity, and now that I have a second one I am wondering what I should have my intensity set to so that I don’t fry my corals. my aquarium currently has softies and lps corals...

Just curious if there's any benefit of negative effect to switching spectrums during the day? For example, I run my Hydra 52 at 16k for about 7 hours of the day and then for an hour ramp down to 20k and keep that for the last 3 hours. I was just curious if others do this or if this would...