Quote Originally Posted by Mrgreenthumb530
Ok thanks for the help looks like i will order a 400w HPS. Now whats the diff with lamp & bulb ?
Do some research on T5HO, there is thread on here somewhere where they put them side by side and the T5HO offered more lumens for the money and beat out the 150 watt HPS, in. A tent heat is a big issue and T5HO is not quite as hot- just my opinion tho- which we all have and they are all correct!