I've seen nice tanks with the Radion on them, I think it's a good light.
I've seen nice tanks with AI on them, I think they make a good product.
They both have good customer service reputations.
They can both be controlled to run at varying intensities and colours.
Either one will be plenty of light for a 29 gallon.
One of them costs a little more than the other, but the US has already priced it lower so they are more competitively priced now. Used prices are probably fairly comparable right now.
I chose the Vega, I just did. I did enough research on the two units and concluded I'd be happy either way. I'm happy with the Vega, and I'm looking forward to the Director platform that should be out in the next month or 18.
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