I don't know about the absolute par of the Radions, but I do know they grew corals better than my AI's did... and the response was extremely noticeable within a two weeks.
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60 Gallon Current Solana XL 24x24x24 Cube: SPS/LPS/NPS/Softie/Invert Reef
Candy Basslet Pair Showcase | Minimalist Aquascape
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