If the ballast on your light can run both MH and HPS bulbs then get an MH bulb to veg with. MH bulbs are high on the blue side of the light spectrum scale as HPS bulbs are higher on the red side of the scale. If your ballast cant burn both types of bulbs then get yourself an MH conversion bulb ..... problem solved .... NEXT!! :jointsmile:
tinytoon Reviewed by tinytoon on . Veg Lighting Ok this is a topic thats driving me nutz. I bought a 250watt SON T AGRO (HPS) as a veg light but when the light is on it doesnt look very blue to me infact it looks yellow and more like a flowering light which in turn makes the plants too tall and spindly :mad: They take too long to grow under this light and i am wondering if anyone can give me any pointers for the 'best' blue veg light to use? I don't want one of those energy saver lights cos i heard they are great when directly on top of a Rating: 5