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Has anyone had any problems using AN Nirvana? I used it in DWC.. got foam in the res. I've used it outside on my soil grown organic basil.. got a fungus gnat infestation. I'm about to start composting plants to return nutes to my soil over the winter months. I was planning to add some Nirvana...

Lumens do not add. Wattage does. Ten 150w hps lamps will still output 16,000 lumens and 1500 watts. In this way, 72,000 lumens from one 600 watt bulb would be better than 16,000 lumens from 4 150 watt bulbs.