I have a 175 watt metal halide 2 bulb system for my 75 gallon tank. What is some of the better bulbs to use for 175 watt bulbs. I've heard the iswaski 15oooK bulbs are some of the best. Any suggestions are welcome. Oh and I'm running 4 vho atinic bulbs in my light hood also.
The Iwasaki will work just fine. I just switched to a 250w Phoenix 14k because I wanted a little more blue. You will be fine with this bulb and the actinics.
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