krap101
Aquarium Advice Addict
500 or 600 watt metal halide fixture type thing at menards yestreday. it was used as a shoplight. so...
Brenden said:The reason you can not use a MH "shoplight" is the wave lenght of the light it produces. I have 2800 watt MH's on my SW tank but only NO on my small freshwater. I would not recommend them for FW. They also generate lots of heat.