The HPS setup would be a lot better if you can handle it. They will give you better yields. I never said that these were better grow bulbs than HPS, but they are the best CF bulbs I've seen for cannabis growing so far! I grow for just myself, so I like the TiO2 compact flourecent bulbs because of low heat, low energy, and they also keep the grow area contaminate and odor free. Now adding one of these TiO2 CF bulbs to the HPS setup wouldn't be a bad idea either, it will also help to keep the odor down a bit and kill any airborne bacteria. But if you have a good ventilation setup, the I'd go with the HPS.
sawleaf Reviewed by sawleaf on . 3rd tier Ok. The 3rd set of leaves are growing on my biggest plants. Probably about a week old, they are still wayyy over stretched, but they are being supported. Now under a 1151 lumen light which is like 100watts, really bright. in Warm white, 2700k. Apart from being over stretched, am I around the right kinda area? :confused: Rating: 5