Go Back   Aquarium Advice - Aquarium Forum Community > Saltwater and Reef > Saltwater Reef Aquaria
Click Here to Login

Join Aquarium Advice Today
Reply
 
Thread Tools Search this Thread Display Modes
Please support our sponsors and let them know you heard about them on AquariumAdvice.com
 
Old 06-19-2006, 06:39 PM   #1
JM
Aquarium Advice Freak
 
Join Date: Aug 2004
Location: NJ
Posts: 330
Couldn't believe my ears

This past weekend i was at a family party and i was talking to my uncle about my 75g tank. I brought up lighting and how i want to upgrade to halides and how expensive it would be. To my suprise my uncle said "i think i have a halide light in my garage if u want it just stop by my house and dig it out from the back of my garage and its yours" Of course i jumped all of that and went directly to his house after the party. What i found made me the happiest person alive. I 400W halide ballast, complete with fixture and bulb. The only thing i need to do is make a reflector out of alluminum flashing and hang it above my tank. I would buy a reflector off line, but its an older fixture and its a little bit big so idk if a new reflector will fit.

Now for my questions. Its going on a 75g tank and it will be hung from the ceiling above the tank. How much temperature increase should i expect and am i going to need a chiller or can i get away without one. Also i am thinking about ordering a 250W bulb because i think the 400 is a little overkill for what i need it for.(not planning on doing hard corals or clams) Will the difference in wattage from a 400 to a 250 make a huge difference in temp or should i just get the 400W.
__________________

__________________
JM is offline   Reply With Quote
Old 06-19-2006, 07:46 PM   #2
SW 20 & Over Club
 
ccCapt's Avatar


 
Join Date: Mar 2004
Location: Northeast PA
Posts: 5,362
Send a message via ICQ to ccCapt
One 400W bulb over a 4 foot tank is not a very good idea.

1st you do not need 400W for the depth of a 75, which I believe is about 21". 400W is primarily used for deep tanks...not to mention it's a huge waste of electricity.

2nd one bulb over a 4 foot tank will leave the middle of the tank very bright and the sides quite noticably dimmer.

3rd if it's a 400W ballast, you can not use a 250W bulb. Also check what kind of bulb he had. Chances are it's a low K rated bulb (probably about 4K) and you would need 10K or higher for an aquarium.

As far as temp increase, you will definitely see an increase, but it depends on your set up and how much air movement you have between the water and fixture.
__________________

__________________
ccCapt is offline   Reply With Quote
Old 06-19-2006, 08:06 PM   #3
JM
Aquarium Advice Freak
 
Join Date: Aug 2004
Location: NJ
Posts: 330
Just curious, but y can't i use a smaller bulb with a 400W ballast? Doesn't that just mean that it will be able to accept up to a 400W bulb. I thought u could use lower wattages just not higher wattages according to wattage ratings. Also when i buy a new bulb i can't i just buy one with a higher K rating.
__________________
JM is offline   Reply With Quote
Old 06-19-2006, 08:14 PM   #4
Aquarium Advice Freak
 
Join Date: Mar 2006
Location: Redding, CT
Posts: 293
Send a message via AIM to exodus
When it comes to arc lighting, the ballast and lamp have to be matched. Thats like trying to run a T8 on a T12 ballast, it just shouldnt be done although it might work for awhile.
__________________
Tanks:
55g - Planted/PFS - Up and running as of 4/30/06, heavily planted running 2x 175 metal halide, dry dosing.

lots of fish.
Royal pleco!!

10g Freshwater - Fake plants/PFS -
Breeding pair of convict cichlids purchased from the LFS I work at for $1.25
(best part is that I have a place to get rid of the fry!)
exodus is offline   Reply With Quote
Old 06-19-2006, 08:49 PM   #5
Aquarium Advice Addict
 
lando's Avatar
 
Join Date: Mar 2004
Location: Savage, MN
Posts: 7,889
It is a good find but I agree that a single 400watt MH will not work that well on a four ft tank. First off, the edges would not be lit all that well and the center brace would cast a shadow over the middle of the tank. Two 175s or 250s would be a better option.
__________________
Some people are like slinkies...they serve no real purpose yet can still bring a smile to your face when you push them down the stairs!:p
Have a great day! Brian
lando is offline   Reply With Quote
Old 06-19-2006, 09:48 PM   #6
JM
Aquarium Advice Freak
 
Join Date: Aug 2004
Location: NJ
Posts: 330
oh well, if i can't use this one i'm definatly not doing halides. I'm not payin all that money unless i really need them. I guess i'll just by some PCs.
__________________
JM is offline   Reply With Quote
Old 06-19-2006, 09:51 PM   #7
Aquarium Advice Addict
 
lando's Avatar
 
Join Date: Mar 2004
Location: Savage, MN
Posts: 7,889
Depending on what you want to keep, CF may be a better choice. They certainly do have advantages.
__________________
Some people are like slinkies...they serve no real purpose yet can still bring a smile to your face when you push them down the stairs!:p
Have a great day! Brian
lando is offline   Reply With Quote
Old 06-19-2006, 10:16 PM   #8
JM
Aquarium Advice Freak
 
Join Date: Aug 2004
Location: NJ
Posts: 330
I've read a lot about lighting, but i still don't understand a lot of it and i never needed to because i never wanted coral. However, now i have a pair of clown fish and i want an anemone for them and i like some of my friends soft corals. What is the most affordable lighting to keep a BTA alive. And what is the minumum watts one requires. I have heard that i can keep one alive with much less wattage than any corals require.
__________________

__________________
JM is offline   Reply With Quote
Reply

Please support our sponsors and let them know you heard about them on AquariumAdvice.com

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
CRS coming out of my ears! Gillie Freshwater & Brackish - General Discussion 4 05-04-2008 09:03 PM
Up to my ears in snails! Gillie Freshwater & Brackish - General Discussion 13 08-13-2007 10:19 PM
Music to my ears! shayfish Freshwater & Brackish - General Discussion 14 03-19-2007 05:32 PM
My ears is killing me Avi Saltwater Reef Aquaria 5 10-15-2004 11:54 AM







» Photo Contest Winners








Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -4. The time now is 07:32 PM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.