
MIGrampaUSA
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Ah, but you did just that ... dual 260w rspecs? The OP is asking what he should do and you're suggesting that a single 260w board is underpowered in a 3 x 3. That's not so. It would fit pretty well.OK now it's time to take issue with you. I never suggested high power. That is your take on it. I never suggested it. It's what I do and how I do it. It gives me control to help with temps summer and winter. I never have to tax my lights at all. I never have issues controlling environment. I never have to use Aux heating or cooling. And I always have near perfect ppfd across the canopy front to back, side to side and corner to corner. Every square foot of the tent is viable grow space if I chose to use it. I know exactly how much power my lights are consuming in watts and amps. There is nothing wasteful about how there ran. I have NEVER told a new grower to go high power.... So you best check yourself from on Grandpa to another. I would no more tell a new grower to go high power than a new motorcycle rider to go get that 200 hp Super Bike to learn on. But in your world is that what I'm saying to a new rider because I have a 250 hp Super Bike or $30k Goldwing? WTF is wrong with you?
Have issue with me all you want ... maybe it's the way you posted it. You can certainly have too much light with current LEDs. Your words above said you couldn't. If you meant something different than that. Clarify it. Otherwise, yes you can give your plants too much light and 520w would be too much light in a 3 x 3. In a 3 x 5 it's a pretty good fit.