chrisopher
Active Member
I'm looking at 150w mh bulbs for vegging and have found a ballast that uses the double ended rx7 bulbs. They come in a range of colours but most of them are 10000-14000k, is this a suitable range for growing or not. Here's an example:
http://cgi.ebay.co.uk/Aquarium-HQI-Metal-Halide-Lamp-Bulb-150W-10000K-/250481627775?pt=UK_Pet_Supplies_Fish&hash=item3a51de527f
Also, I thought the highest range was 6500k, I'm confused.
http://cgi.ebay.co.uk/Aquarium-HQI-Metal-Halide-Lamp-Bulb-150W-10000K-/250481627775?pt=UK_Pet_Supplies_Fish&hash=item3a51de527f
Also, I thought the highest range was 6500k, I'm confused.