VHO vs MHS - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 4 Old 06-22-2007, 11:56 PM Thread Starter
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what is the difference from VHO and MHS lighting. Is one better then the other?

Thanks Roger
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post #2 of 4 Old 06-23-2007, 09:01 AM
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read some of the threads but to put it shortly, MH are more of a pin pointed source that can penetrate deeper for higher intensity, VHO give off a wider sprey of light.MH's are kind of a spot light.
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post #3 of 4 Old 06-23-2007, 05:16 PM Thread Starter
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great thanks the reflector is more direct or the bulb?
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post #4 of 4 Old 06-24-2007, 05:58 AM
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ummm reflector basicly grabs all of the bulbs radience which is being wasted pointing upwards and focus's it downwards it just increases efficiency, but yes i spose u COULD have it more directed but mainly every bulb should have a reflector to be more efficeint, like...why light up ur roof if u want it to light ur aquarium?
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