Can you really use just 2x XR15 G6 to light a 4ft tank?
- Thread starter DeadEnd
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Derrick0580
Valuable Member
More spread but less par
OP
OP
DeadEnd
Active Member
I just bought one to try it out (pro) and I believe it would be best to get 3x.
I bought the pro version to compare it with the blue version. All the LFS use the blue version. I think I prefer the whites haha
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EeyoreIsMySpiritAnimal
Just another girl who likes fish
Totally depends on what coral you want to grow.
for what corals?
For soft corals and some LPS? yes
SPS tank? No.
I have a 4 foot by 2 foot by only 16 inch deep tank. Two isn't enough if you want SPS imo and my tank is much shallower.
Don't be fooled, it has more spread but the power supply, drivers, essentially the light is same/similar as g5. You still need an appropriate # for coverage.
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ELChingonsReef
Active Member
I have 2 xr15 g5 blues over my 3ft mixed reef. Abplus at 75% intensity seems to be doing the job for now. My sps are still small. Not quite colonys yet. I will probably have to add a 3rd as my sps grow and shade eather.
Lavey29
10K Club member
I have same size tank and lights. Par meter them yesterday and was shocked at how low the par was. Fine for LPS and softs but SPS will require 100% on the AB setting just to get 250 at the top rocks.
If I was doing SPS in a 4 foot, I would do 4 xr 15's. Maybe even two LED bars on a 24 inch wide tank. Not talking about frags tho. I just don't think they have the umph to reach all parts on a wider tank with adequate light.
Personally, when I decide to add more lights, I will probably toss some kessils in next to the radions and some led bars, nice mix of led's I think will be even better. Just might need a floating canopy to make it clean.
Personally, when I decide to add more lights, I will probably toss some kessils in next to the radions and some led bars, nice mix of led's I think will be even better. Just might need a floating canopy to make it clean.
Lavey29
10K Club member
If you're doing a canopy then T5s with the LEDs for the win
d2mini
5000 Club Member
3 but orient them facing front to back rather than lengthwise.
EeyoreIsMySpiritAnimal
Just another girl who likes fish
They are square....
I had all T5's! Found they made my apartment too warm for me in summer lol I miss the T5's....
Bpb
2500 Club Member
I think a more appropriate question would be “SHOULD you light a 48x24x24 tank with Judy two xr15”. You can light that tank with one. You can run the tank with NONE. You just have to manage your expectations.
OP
OP
DeadEnd
Active Member
I agree. I decided that I will start just with two and I will add more as needed.
I thought about 2 XR30's which would be the best I could do or 4x XR15's. I decided to go with the XR15's because I like how it looks
RGoltz
Active Member
I have 3 XR15 PRO on a 4” tank.
At peak intensity the lights are at 100% point intensity [blues at 100%, red+green at 20%, warm white at 25%, cool white at 90%]. This results in an even 300-325 par wall to wall. The only obstacle for lighting is aquascape but that is up to you!
At peak intensity the lights are at 100% point intensity [blues at 100%, red+green at 20%, warm white at 25%, cool white at 90%]. This results in an even 300-325 par wall to wall. The only obstacle for lighting is aquascape but that is up to you!
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