i keep mines at 10 inches away at all times because i have master the best heigth in myroom to keep it cool the hottoes my room gets with 2 1000 hps is 80 i love it and love ventilating everything its all on you my friend you stand under the ligth see how good you like it think for your plants
highweedskunk20 Reviewed by highweedskunk20 on . Light height question i have a 600w hps hortilux bulb and was wondering how high should the light be off of my plants? thanks a bunch Rating: 5