light

Hello all, I have seen a few posts regarding this a few times before. I recently upgraded my aquarium from 165W Chinese led to 48" IC from current USA. I had good growth with the 165W but wasn't a fan of the light spill happening in the room, when lights come on, it was basically for the whole...

So, I am just now getting back into the hobby after being out for several years. I have a 42 gallon Oceanic Hex I just recently inherited and I am wanting to grow a little bit of everything. Definitely wanting some zoas, palys, and mushrooms/ricordea on the bottom, some LPS and SPS (SPS can be...

Hey all, I'm currenlty using two gen1 Radions along with 4 t5s in my canopy. I sent in one of my gen1 radions to be upgraded to the gen3pro, wondering if I should reacclimate the new light to my current schedule when I get it back? Thanks!

I have 4 Hydra 26 HD's and I'm looking to see if anyone knows which colors affect certain colors of a coral and if raising or lowering that color enhances or reduces the coral color. I would like to get the most color "Pop" as I can. Thanks for any help.

I have a big spread of Zoas coming in tomorrow for my Zoa dominant tank (currently without coral). They are going into a MAX-E 170 with Hydra 26s. The seller I am buying from says that they are coming from tanks with 90-200 par (depending on distance from light). My tank is mostly 80-240 par (to...

I am looking at a used AI prime for a rimless conversion on a JBJ 28g. What are your thoughts on this light? I just don’t have enough experience with the light or tank yet to really know if this is a sensible spend! Thanks in advance

Hi, I am shopping around for a new light to go over my Mixed reef and found the SB Ultra fixture. I noticed they had a give away on this site last year and am hoping that maybe some people bought some of their lights and have used them and could let me know how the perform and how they look on...

Hi there fellow reefers! I just purchased my first tank and it has been running for around 3 days now, I purchased a Refugium Light at my lfs but it is too large for my setup. I was wondering if anyone knew of any small low cost Refugium lights that will fit on the back of an aquaclear50 HOB...

I am currently running one of the TaoTronics: https://www.amazon.com/TaoTronics-Lights-Hydroponics-Organic-Applicable/dp/B01HPIPM70/ref=pd_rhf_se_p_img_4?_encoding=UTF8&psc=1&refRID=0S5ZTPDSN1R17HRXJ3Y1 on my 10x12x18 (LxWxH) refugium and not having the desired results with Chaeto. In fact I...

Not sure if this will work at all, does anyone know if I could rewrite this light for a refugium, it’s called the i-Zoom Worklight, here’s the link to the amazon. [LINK] I have four of these and got them as freebies, I could do some trial and error. But my question is, is this even the...

I am starting up a 14-20 gal nano tank and need a new light, would an A80 Tuna blue kessil be a good choice? It’s offered originally for $100 but I’m thinking I could get it for $85 or so.. it comes with the gooseneck mount.

Hi everyone! See below for all items up for sale. Pricing firm, shipping to lower 48 only, also available for local pickup in San Diego. two VorTech MP10wqd, used by me for a year at ~45% max. One dry side is slightly audible, the other silent. $175 shipped each, buy both for $325 SOLD Up...

I have a 55 gal Long Tank which I’m currently running 2 arctic t-247s on however I’m giving one to my refuge And one to my fathers regfuge so I’m looking at lights, ideally I would go wih a 48” Kessil but I’m looking to spend more around 400$ I was looking at the Current IC pro dual but was also...

I need to borrow a par meter. i could trade some coral to whoever has one that i could borrow for a day

I use ATI bulb on my 55 gallon and right now I'm using 2 blue+, 1 aquablue special, and 1 purple+. which ATI says is 10K-14K. I'm wondering if I should keep that and put a reef brite actinic blue lumi lite strip on id have that run 3 hours in the morning and 3 hours at night. or if I should do...

Hello All! I apologize if there is already a thread about this, i am new to the site. Please direct me if so. I've been in the saltwater cult for about 3 years now, and I have recently moved to a 29g tank. I'm running an old kessil A80, along with a nondescript 24" bar light, and im finding that...

Hi! Selling my light. Deciding to switch things up and the refugium has to go. Here is what it has. I paid $355 new. Kessil Gooseneck Mount for A Series LED Lights $34.99 Kessil 90 Degree Adapter for A Series Gooseneck Mount $19.99 Kessil H380 Halo II LED Grow Light $299.99 I could do it for...

Hello everyone! I've noticed a newer model of the Ecoxotic Cannon LEDs, and the Marine Actinic looks very promising with the spectrum chart; along with the power, different lenses and of course the 5 yr warranty. I've attached the spec sheet for easy viewing. What do you think about this...

this might be a little early but it is coming up fast. what are some good Christmas ideas and also what are some good places to get gift certificates from?

Hello, I know the refugium light is supposed to be lit on when the display tank light turns off to prevent PH swing. What about keeping the refugium light on 24 hours a day? Will it still prevent PH swing? Is there any adverse effect? Thank you for your input in advance! Yas

Hello, I have been having issues with keeping SPS in my tank. It seems to bleach and die very quickly every time I give it a try. I have many things doing extremely well in the tank such as bubble coral, JF JOL, torch, various nems, duncans, GSP (I know this stuff would practically grow in the...

Custom bought 16 bulb t5 light. 72". All aluminum lightweight construction. rear fans. Custom light reflectors. 4 switches /off on each side for fine tuning certain lights off. It's hooked up to a digital timer separated by blues and whites/colors. If you look at photo it is above the apex...

Friend is coming to help hang lights (2 x XR15's) tomorrow. Question is how high should I hang them? BRS lists the recommended spread for this light as 18" x 18" and I have two, but that doesn't help me decide how high to hang them, right? Do I need to have a PAR meter to figure that out? Is...

Hi folk, Is it normal for corals to expel zooxanthellae occasionally? The reason I'm asking is because sometimes my coral will expel their zooxanthellae like once every two weeks or a month. The other finding is my coral will turn a little pale compares when it's first introduced from the LFS...

I'm transitioning an SPS tank to soft corals/anemones and my Giesemann Aurora is overkill. It's the 48" model with 3 85w LEDs and 4 54w T-5s. Easily the best Reef light I've ever owned. The color, shimmer, usability and power are all top notch. Corals grow like weeds. It's all controllable...