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Are there users of strips/quantum boards that have any thoughts on adding 660nm leds to the grow? I know that buds will flower well without them but when comparing some brands on ther spectrum it look likes the Samsung chips are lacking in the 660nm range. Some manifactures produce a bit more...

What exactly do they mean with the term "over voltage region" on the datasheet of the HLG480-c2100b? I know that the voltage of the driver is the limiting part when put on a load. But in some cases I find out that I miss out for 3 volts of the total voltage needed. Is it possible to get a...