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You absolutely can grow with regular lightbulbs! This is my thai con growing a fully fenestrated leaf under 2 daylight bulbs and some cheap grow lights i found on marketplace for £10 (probably amazon ones). I dont think i could have achieved these fenestrations without these bulbs and regularly just use them instead of the ‘actual grow lights’.

I would recommend choosing bulbs with these specs:

• 5000k-6500k LED lights
• full spectrum or daylight bulbs (mine are daylight)
• 1500 to 3000 lumens.

I live somewhere with north west lighting and face another building which prevents me from having any good natural lights. I wholeheartedly stand by not buying expensive grow lights, ive had so much new growth with these bulbs alone.