Lighting ?

[David Young]

I currently have a 65g (36x18x24") reef with 1 - 175W, 10k MH in addition to
other FO. I am upgrading to a 120g (48x24x24). Should I only add another
175W MH or should I upgrade the whole thing to 2 - 250W. Will I have
problems with burning the coral if I increase the wattage sine they have
been under the 175, some for up to 16 months.
David Young

[Marc Levenson]

You can add another 175w bulb and still have good success.

Unless you're just itching to buy a new 2x250w setup.

Marc


David Young wrote:

> I currently have a 65g (36x18x24") reef with 1 - 175W, 10k MH in addition to
> other FO. I am upgrading to a 120g (48x24x24). Should I only add another
> 175W MH or should I upgrade the whole thing to 2 - 250W. Will I have
> problems with burning the coral if I increase the wattage sine they have
> been under the 175, some for up to 16 months.
> David Young

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[Steve Sells]

Remember if you do upgrade to 250w MH, you can raise the hood a bit (more
height will disfuse the light output) to allow the corals to adjust to the
higher light levels of the new bulbs, Either shorten the chain, OR add a
block of wood to raise the hood.

Steve

[David Young]

The lights are about 8" above water now and I can't raise them because of
being a permanent enclosure. I'll probably just add another 175W (cheaper).
Thanks,
David Young

"Steve Sells" > wrote in message
nk.net...
> Remember if you do upgrade to 250w MH, you can raise the hood a bit
(more
> height will disfuse the light output) to allow the corals to adjust to the
> higher light levels of the new bulbs, Either shorten the chain, OR add a
> block of wood to raise the hood.
>
> Steve
>
>