View Full Version : LPS's and MH Lights
killagoby
03/25/2007, 08:46 PM
I have a 29 gallon tank with mostly LPS's, (blastos, acans, brains, cynaria, bubble, hammer coral) plus a few Zoos and Mushrooms. Currently I have Coralife's 130w PC fixture on the tank. I am switching over to a 150w 14,000K HQI MH which will rest about 2 inches over the water. The corals start at about 6 inches below the surface of the water, down to the bottom of the tank . Any suggestions for success? I know most LPS's dont like intense light, but I've heard I can acclimate them to it. Most of them came from stores w/ MH lighting.
All Delight
03/25/2007, 10:50 PM
I used egg crate to acclimate when I changed to MH.
sivert55
03/26/2007, 12:22 AM
I switched my nano over from PCs to 150w MH 14k about 1 1/2" off the water, and mine didn't even flinch.
Justin74
03/26/2007, 01:33 AM
The particular switch your making is not too significant enough to warrant major concern of light acclimation. If you were switchen to 250's that'd be a different story, but 130 PC to 150DE MH is not too major at all. If anything there just patiently waiting for it ;)
-Justin
killagoby
03/26/2007, 10:34 AM
Great to know guys. Thanks for the input.
DaBenzsta08
03/26/2007, 11:00 AM
nice to hear since im in the same situation for this week actually.
killagoby
03/30/2007, 09:11 PM
I got my 150w SunPod today. So far, so good. The white and blue LEDs are key...
Keep an eye on the blastos, they can be really fussy about light.
killagoby
03/31/2007, 08:53 PM
<a href=showthread.php?s=&postid=9614782#post9614782 target=_blank>Originally posted</a> by Tyke
Keep an eye on the blastos, they can be really fussy about light.
Thanks man, I will. They are at the bottom of the tank and so far they are doing good. I only switched from 130w PC's to 150w 14k MH's. Most people I spoke to said it would not make much of a difference running the MH's 6 hours a day. Here's a few shots of the blastos after day 2.
http://i12.photobucket.com/albums/a245/killagoby/IMG_0257.jpg
http://i12.photobucket.com/albums/a245/killagoby/IMG_0260.jpg
http://i12.photobucket.com/albums/a245/killagoby/IMG_0261.jpg
killagoby
04/26/2007, 06:51 AM
The lights have been running for 8 hours a day for about a month now with no ill effects. In fact, most of my LPS's are coloring up and feeding more. Even the Blastos.
Caleb Kruse
04/26/2007, 12:44 PM
Thanks for the update on how your coral are doing. I am thinking about making the switch from VHO to MH but didn't know how all my LPS would like it.
lfduty
04/26/2007, 05:10 PM
nice pic's man i love your tank
Justin74
04/26/2007, 08:24 PM
<a href=showthread.php?s=&postid=9815818#post9815818 target=_blank>Originally posted</a> by killagoby
The lights have been running for 8 hours a day for about a month now with no ill effects. In fact, most of my LPS's are coloring up and feeding more. Even the Blastos.
:thumbsup:
Thanks for the update, great thread for those considering the leap to something a lil more serious.
-Justin
killagoby
04/27/2007, 07:52 AM
Thanks guys! It was well worth the switch. This is the fixture (http://www.current-usa.com/sunpod.html) I am using.
elegance coral
04/27/2007, 08:40 PM
I would run the MH for a while then slowly add the PC lighting back to the tank. Thats just what I would do.
killagoby
05/01/2007, 12:46 PM
<a href=showthread.php?s=&postid=9829165#post9829165 target=_blank>Originally posted</a> by elegance coral
I would run the MH for a while then slowly add the PC lighting back to the tank. Thats just what I would do.
I wouldn't be able to fit both fixtures on top of the tank. It's only a 29 gallon.
killagoby
05/10/2007, 08:23 AM
I just added 4 SPS corals to the tank the other day and they are doing great. I have 5 more coming to me in the mail today.
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