RB Meridians vs Reefi Uno 2.1 Pro

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Bitflip

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Hello! I am building a new tank (WB 190.5) which is (60.5" x 25.3" x 22.6").

Both Meridians and Uno seem to be built around mini reflector which is a really important factor for me as the tank will be in my living room and I need to minimize light spill.
Tank will be a mix of LPS and SPS.

Has anyone had experience with both lights? What's your preference?
I'm a bit worried with the Meridians being only 75W, compared to Uno's 270W! (Allows to run at a lower wattage to increase lifetime).

Price wise the Uno (575$) are cheaper than the Meridian 11s (656$), but the Meridian 45 is 534/per light).

Meridian look sleeker, would ceiling mount well, and lightbar can be added.
Uno's are way more powerful, longer warranty, and has more redundancy (compared to the 45), additionally since I control the spacing the spread might be better?
I can't tell which has the best spectrum, as RB didn't publish it... (Kudos to Reefi for full transparency!)

Thanks for your help!
 
Found this searching r2r.
Screenshot_20251013_104251_Chrome.jpg

I have the photon 50's and 24 plus 2 edge.
I need shades and diffusers on my Radions. The glare is more than I want without.
Also run a xr15 with shade and diffuser on a 15g right next to my bed. Would not be able to without the shade and diffuser.
 
Reefi is much stronger and better bang for your buck per watt.

My Reefi can push over 1200 par if I max them out.
 
Last edited:
Another vote for Reefi. I’m running 3 uno 2.1’s and 2 quanta reef crest bars over my 6’x2’ sps tank. One of the things I really like about the uno’s over the Radion xr15 gen 5’s they replaced is how much nicer it is being around the tank without all that excess light glare in your eyes. I love this setup.
 

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