Radion lighting
 

Any one out their using radion lights? I'm looking to see if ppl are having success, are you happy?
How many and what size tank.

I have 2 on a 70g 48x20x24. Mine are running at 40% and I have a couple shaded areas so I'm debating on adding a 3rd light.

Would that make too many hot spots?

Or would I need to turn them down is I add a extra one?

Or would I benifit from adding t-5's

Rite now it's a mixed tank leaning more towards
Sps

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Three across 48" makes for better coverage. Two isn't enough - especially for SPS. You will be turning them up much higher if you're leaning towards SPS. Adding 2-4 T5 tubes isn't a bad idea either. Have you seen the new AquaticLife retrofit fixture? It makes adding T5 easy. AquaticLife ain't no ATI though...