Hello Luie If you can get a ballast that will take both HPS and MH bulbs, that is usually considered the best combination. The MH for vegitive growing and the HPS for flowering



love mand xxx



Oh can I just add and this is just my personal choice, if I had to pick just a single bulb for both veg and flowering it would be the MH
mand Reviewed by mand on . MH or HPS ????? i dono what to pick a MH or a HPS, i have about 4ft by 4ft and like 9 ft high grow space and i only have 200.00 usd or less to spend on a light.... (i can always add some cfl on the sides) and im planning on growing some white rhino and northern lights so what do i do/get.. :rasta: thanks Luie Rating: 5