HPS will provide much more watt per lumen efficiency than T5, also HPS is the right color for flowering, sounds like you have your system backwards
macro Reviewed by macro on . 400w HPS or T-5 system? i have 5 female plants now in the flowering stage. i have a 400 watt HPS and a T-5 lightig system. i used the HPS for the vegetative stage then switched to the T-5 for flowering. which is better for flowering? Rating: 5