i agree 175 are the low limit for mh on a 120 i have 2 400w mh and 4 vho on mine and it does nicely hth dave ----- Original Message ----- From: "Andrew Dillard" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, November 08, 2001 3:29 PM Subject: Re: Lighting question
> I think that with the 120 you would not want anything less then the 175s, > even for softies, 120s are pretty deep. > > > IMO > Andrew > > > ----- Original Message ----- > From: "Shane Clays" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Thursday, November 08, 2001 4:18 PM > Subject: RE: Lighting question > > > > Yea. There are a lot of corals that are more difficult to keep under MHs. > > Forget any types of musrooms or anything like that. Polyps and such can be > > kept if you keep them in a cave or at the very bottom of the tank. LPS are > > much more difficult to acclimate to MHs, and IME, dont do well under them > > (although some on the list have kept them with MHs just fine). If you keep > > LPS under mhs, you have to really give them time to acclimate. Softies can > > be kept, but should be kept low in the tank (a couple species do well high > > in the tank under mhs though). Clams and SPS will love them. > > > > That being said, my MH is quite close to the water. About 10 inches from > the > > top of the water to the bottom of the bulb. Yours will be higher, and that > > will help. It is just something to consider when purchasing and placing > your > > corals. > > > > IMO > > > > Shane C. > > > > > -----Original Message----- > > > From: Culross, Andrew [SMTP:[EMAIL PROTECTED]] > > > Sent: Thursday, November 08, 2001 2:05 PM > > > To: [EMAIL PROTECTED] > > > Subject: RE: Lighting question > > > > > > I'm not sure at this point. I just that the MH provided me with the most > > > flexiblity. > > > > > > Is their anything that I shouldn't keep under MH ? > > > > > > -----Original Message----- > > > From: Shane Clays [mailto:[EMAIL PROTECTED]] > > > Sent: Thursday, November 08, 2001 4:02 PM > > > To: '[EMAIL PROTECTED]' > > > Subject: RE: Lighting question > > > > > > > > > Hhmmm, should be okay. Elevating the hood will help a lot. You can also > > > install a nice little icecap fan in it and have it blowing hot air out, > if > > > heat becomes an issue. What are you planning to keep in the system? > > > Dealers > > > were right, not much difference in heat. MHs are good lights, but > depends > > > on > > > what you are going to be keeping... > > > > > > Shane > > > > > > > -----Original Message----- > > > > From: Culross, Andrew [SMTP:[EMAIL PROTECTED]] > > > > Sent: Thursday, November 08, 2001 12:17 PM > > > > To: [EMAIL PROTECTED] > > > > Subject: RE: Lighting question > > > > > > > > The hood is fairly open (back is open, slats on top) and I plan on > > > > mounting > > > > the assembly close to a foot above the water. I have 2 40W light right > > > now > > > > sitting right on top of the tank. > > > > > > > > Temp right now is not an issue. I have a temp controller that turns on > a > > > > fan > > > > that blows across the top of the tank. This only runs in the summer. > I'm > > > > praying that I don't need to do more with this lighting upgrade. > > > > > > > > I talked to several dealers before ordering the lights. Some indicated > > > > that > > > > the heat differential was not going to be much if anything between the > > > > VHO, > > > > PC, or MH setup. Since the MH setup is the preferred lighting > > > arrangement > > > > (don't flame me, it's a general accepted truth !) I went with the MH. > > > > > > > > Right decision ? > > > > > > > > -----Original Message----- > > > > From: Shane Clays [mailto:[EMAIL PROTECTED]] > > > > Sent: Thursday, November 08, 2001 2:10 PM > > > > To: '[EMAIL PROTECTED]' > > > > Subject: RE: Lighting question > > > > > > > > > > > > There are so many factors, it is impossible to tell. Room temp, temp > > > > outside, enclosed or open hood, fans on the hood and or blowing on > sump, > > > > any > > > > direct sunlight, temp of tank right now w/no lights etc. I would guess > > > > (and > > > > I mean guess), you are going to get 2-3 degrees increase. You can > > > counter > > > > that with fans blowing on your sump and or in and out of your hood. If > > > you > > > > already have fans and your temp runs in the high range, you might be > in > > > > trouble. > > > > > > > > Shane > > > > > > > > > -----Original Message----- > > > > > From: Culross, Andrew [SMTP:[EMAIL PROTECTED]] > > > > > Sent: Thursday, November 08, 2001 12:05 PM > > > > > To: [EMAIL PROTECTED] > > > > > Subject: RE: Lighting question > > > > > > > > > > Yep, that makes sense. > > > > > > > > > > I guess my question is, what do you expect the temp rise to be ? > > > Minimal > > > > > (I > > > > > hope) ? > > > > > > > > > > -----Original Message----- > > > > > From: Shane Clays [mailto:[EMAIL PROTECTED]] > > > > > Sent: Thursday, November 08, 2001 1:53 PM > > > > > To: '[EMAIL PROTECTED]' > > > > > Subject: RE: Lighting question > > > > > > > > > > > > > > > Yea, but only becuase it is more wattage. A watt is a watt, and the > > > heat > > > > > from one watt is as hot as that from another. You are looking at 480 > > > > watts > > > > > on the MH, 440 from the VHO and 384 from the PCs, thus the PCs are > > > going > > > > > to > > > > > be the coolest running. > > > > > > > > > > FWIW > > > > > Shane C. > > > > > > > > > > > -----Original Message----- > > > > > > From: Culross, Andrew [SMTP:[EMAIL PROTECTED]] > > > > > > Sent: Thursday, November 08, 2001 11:45 AM > > > > > > To: [EMAIL PROTECTED] > > > > > > Subject: Lighting question > > > > > > > > > > > > I plan on installing a retro lighting kit into my aquarium hood. I > > > > have > > > > > a > > > > > > 120G All-Glass Modern > > > > > > > > > > > > I ordered a hood with 2 175W MH and 2 65W PC > > > > > > > > > > > > In your opinion will this hood increase the water temp more that 4 > > > 96W > > > > > PC > > > > > > or > > > > > > 4 110W VHO ? > > > > > > > > > > > > Andrew Culross > > > > > > OPICS Product Center > > > > > > 914.821.2572 > > > > > > > > > > > > This email may contain confidential information intended only for > > > the > > > > > > person(s) addressed above. The use of the contents of this email, > > > or > > > > > its > > > > > > disclosure, copying or distribution to a party other than the > > > > person(s) > > > > > > addressed above is strictly prohibited. If you have received this > > > > email > > > > > > in > > > > > > error, please notify the sender by email or telephone immediately. > > > > > > > > > > > > > > > > > > > > > > > > ________________________________________ > > > > > > > > > > > > LEAVING THE LIST > > > > > > ================ > > > > > > To stop receiving messages you will need to send a message to > > > > > > [EMAIL PROTECTED] with a command to remove you from > > > the > > > > > > list. The list manager controls who belongs to the list. > > > > > > > > > > > > For example: > > > > > > -------------------------------------------------------------- > > > > > > From: John Doe <[EMAIL PROTECTED]> > > > > > > To: [EMAIL PROTECTED] > > > > > > Subject: <not needed> > > > > > > > > > > > > UNSUBSCRIBE > > > > > > -------------------------------------------------------------- > > > > > ________________________________________ > > > > > > > > > > LEAVING THE LIST > > > > > ================ > > > > > To stop receiving messages you will need to send a message to > > > > > [EMAIL PROTECTED] with a command to remove you from > the > > > > > list. > > > > > The list manager controls who belongs to the list. > > > > > > > > > > For example: > > > > > -------------------------------------------------------------- > > > > > From: John Doe <[EMAIL PROTECTED]> > > > > > To: [EMAIL PROTECTED] > > > > > Subject: <not needed> > > > > > > > > > > UNSUBSCRIBE > > > > > -------------------------------------------------------------- > > > > > ________________________________________ > > > > > > > > > > LEAVING THE LIST > > > > > ================ > > > > > To stop receiving messages you will need to send a message to > > > > > [EMAIL PROTECTED] with a command to remove you from > the > > > > > list. The list manager controls who belongs to the list. > > > > > > > > > > For example: > > > > > -------------------------------------------------------------- > > > > > From: John Doe <[EMAIL PROTECTED]> > > > > > To: [EMAIL PROTECTED] > > > > > Subject: <not needed> > > > > > > > > > > UNSUBSCRIBE > > > > > -------------------------------------------------------------- > > > > ________________________________________ > > > > > > > > LEAVING THE LIST > > > > ================ > > > > To stop receiving messages you will need to send a message to > > > > [EMAIL PROTECTED] with a command to remove you from the > > > > list. > > > > The list manager controls who belongs to the list. > > > > > > > > For example: > > > > -------------------------------------------------------------- > > > > From: John Doe <[EMAIL PROTECTED]> > > > > To: [EMAIL PROTECTED] > > > > Subject: <not needed> > > > > > > > > UNSUBSCRIBE > > > > -------------------------------------------------------------- > > > > ________________________________________ > > > > > > > > LEAVING THE LIST > > > > ================ > > > > To stop receiving messages you will need to send a message to > > > > [EMAIL PROTECTED] with a command to remove you from the > > > > list. The list manager controls who belongs to the list. > > > > > > > > For example: > > > > -------------------------------------------------------------- > > > > From: John Doe <[EMAIL PROTECTED]> > > > > To: [EMAIL PROTECTED] > > > > Subject: <not needed> > > > > > > > > UNSUBSCRIBE > > > > -------------------------------------------------------------- > > > ________________________________________ > > > > > > LEAVING THE LIST > > > ================ > > > To stop receiving messages you will need to send a message to > > > [EMAIL PROTECTED] with a command to remove you from the > > > list. > > > The list manager controls who belongs to the list. > > > > > > For example: > > > -------------------------------------------------------------- > > > From: John Doe <[EMAIL PROTECTED]> > > > To: [EMAIL PROTECTED] > > > Subject: <not needed> > > > > > > UNSUBSCRIBE > > > -------------------------------------------------------------- > > > ________________________________________ > > > > > > LEAVING THE LIST > > > ================ > > > To stop receiving messages you will need to send a message to > > > [EMAIL PROTECTED] with a command to remove you from the > > > list. The list manager controls who belongs to the list. > > > > > > For example: > > > -------------------------------------------------------------- > > > From: John Doe <[EMAIL PROTECTED]> > > > To: [EMAIL PROTECTED] > > > Subject: <not needed> > > > > > > UNSUBSCRIBE > > > -------------------------------------------------------------- > > ________________________________________ > > > > LEAVING THE LIST > > ================ > > To stop receiving messages you will need to send a message to > [EMAIL PROTECTED] with a command to remove you from the list. > The list manager controls who belongs to the list. > > > > For example: > > -------------------------------------------------------------- > > From: John Doe <[EMAIL PROTECTED]> > > To: [EMAIL PROTECTED] > > Subject: <not needed> > > > > UNSUBSCRIBE > > -------------------------------------------------------------- > > ________________________________________ > > LEAVING THE LIST > ================ > To stop receiving messages you will need to send a message to [EMAIL PROTECTED] with a command to remove you from the list. The list manager controls who belongs to the list. > > For example: > -------------------------------------------------------------- > From: John Doe <[EMAIL PROTECTED]> > To: [EMAIL PROTECTED] > Subject: <not needed> > > UNSUBSCRIBE > -------------------------------------------------------------- > ________________________________________ LEAVING THE LIST ================ To stop receiving messages you will need to send a message to [EMAIL PROTECTED] with a command to remove you from the list. The list manager controls who belongs to the list. For example: -------------------------------------------------------------- From: John Doe <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] Subject: <not needed> UNSUBSCRIBE --------------------------------------------------------------
