Tropical Fish Keeping - Aquarium fish care and resources

Tropical Fish Keeping - Aquarium fish care and resources (
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-   -   VHO vs MHS (

Rogergolf66 06-22-2007 11:56 PM

what is the difference from VHO and MHS lighting. Is one better then the other?

Thanks Roger

Mrmofo 06-23-2007 09:01 AM

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.

Rogergolf66 06-23-2007 05:16 PM

great thanks the reflector is more direct or the bulb?

Mrmofo 06-24-2007 05:58 AM

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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