yerboy
Active Member
Originally Posted by reefraff
http:///forum/post/2276967
There really are 175 watt HQI lamps. That ballast will actually UNDERDRIVE 150 watt lamps according to the owner of a lighting business that has nothing to do with aquarium lighting so he would have no reason to lie. He posted specs on another reef board and explained how a 175 watt ballast could underdrive a lower wattage lamp. They have different running voltages.
the only real 175watt MH bulbs i have ever seen are the mongrel type. The HQI 175watt bulbs that i have seen are the $10 bulbs from the bay so take that for what its worth.
http:///forum/post/2276967
There really are 175 watt HQI lamps. That ballast will actually UNDERDRIVE 150 watt lamps according to the owner of a lighting business that has nothing to do with aquarium lighting so he would have no reason to lie. He posted specs on another reef board and explained how a 175 watt ballast could underdrive a lower wattage lamp. They have different running voltages.
the only real 175watt MH bulbs i have ever seen are the mongrel type. The HQI 175watt bulbs that i have seen are the $10 bulbs from the bay so take that for what its worth.