Monti cap bleached completely overnite....

nanshaw2001 · 10/02/2010, 01:52 PM

It was a nice green one I have had about 3 months about 3"X3". Had a temp drop overnite of about 5 degrees ( didn't realize my heater isn't working properly ) . Color was stark white this morning

. All the polyps are closed. All other corals- zoas, leathers even other caps are fine. No other changes in tank.

Need to ask the experienced sps crowd....was it likely the temp change and are there any chances of recovery. Temp was down to about 73/74 degrees. Any input truly appreciated!

OneReef · 10/02/2010, 02:13 PM

Hard to say. I have left my heater off by accident and gone from 80 to 73 overnight and my monti was fine. Coral are fickle though....

nanshaw2001 · 10/02/2010, 04:12 PM

It's very disappointing and happened so quick!

preef · 10/02/2010, 04:41 PM

If nothing else changed the drop in temp was the most likely cause.

GhostCon1 · 10/02/2010, 05:12 PM

I'm going to say it was not the temp drop. I've also never heard of a coral bleaching overnight. Are you sure it didn't RTN?

What's your alk/pH at?

Norwood IND · 10/02/2010, 05:27 PM

Quote:

Originally Posted by GhostCon1

I'm going to say it was not the temp drop. I've also never heard of a coral bleaching overnight. Are you sure it didn't RTN?

What's your alk/pH at?

Agree. What is your alk? I have seen Montis bleach with low alk.

mike_cmu04 · 10/02/2010, 06:45 PM

I also think that is wasnt the temp drop that is not that extreme unless it got lower than that. It has to be something with your water what are the parameters?

nanshaw2001 · 10/02/2010, 08:14 PM

I will test everything in the morning. It was sudden- truly. I am in front of the tank...it is only a 55- with a magnifying glass almost every nite. I love checking out all the little critters! Color was great last nite! Could someone tell me a little more about rtn. Nothing else including my other Monti Caps was affected.... thansk so much for everyones input!

Dustin1300 · 10/02/2010, 09:10 PM

Also, I'd think this was not because of the temp swing. How does the temp usually fluctuate anyways.

GhostCon1 · 10/02/2010, 11:29 PM

RTN is due to... well, not really sure. Some say disease, others say stress. Alk issues would be a problem, as I know high alk will cause STN.

RTN is where the coral literally melts away. The tissue just falls off it.

10/02/2010, 01:52 PM	#1
nanshaw2001 Older newbie Join Date: Sep 2008 Location: Statesboro, Ga Posts: 501	Monti cap bleached completely overnite.... It was a nice green one I have had about 3 months about 3"X3". Had a temp drop overnite of about 5 degrees ( didn't realize my heater isn't working properly ) . Color was stark white this morning . All the polyps are closed. All other corals- zoas, leathers even other caps are fine. No other changes in tank. Need to ask the experienced sps crowd....was it likely the temp change and are there any chances of recovery. Temp was down to about 73/74 degrees. Any input truly appreciated! __________________ My job doesn't begin to support my addiction! Current Tank Info: 125 Mixed reef, 55 softie tank in the works!

10/02/2010, 04:12 PM	#3
nanshaw2001 Older newbie Join Date: Sep 2008 Location: Statesboro, Ga Posts: 501	It's very disappointing and happened so quick! __________________ My job doesn't begin to support my addiction! Current Tank Info: 125 Mixed reef, 55 softie tank in the works!

10/02/2010, 04:41 PM	#4
preef Registered Member Join Date: Feb 2009 Location: Algonquin, IL Posts: 809	If nothing else changed the drop in temp was the most likely cause. __________________ 72 gal bowfront mixed reef. Tank born 10/14/2007

10/02/2010, 05:12 PM	#5
GhostCon1 Rebmem Deretsiger Join Date: May 2010 Location: Georgia Posts: 1,590	I'm going to say it was not the temp drop. I've also never heard of a coral bleaching overnight. Are you sure it didn't RTN? What's your alk/pH at? __________________ In the works Current Tank Info: Getting a big'un

10/02/2010, 06:45 PM	#7
mike_cmu04 Registered Member Join Date: Oct 2005 Location: Shepherd, Mi Posts: 2,348	I also think that is wasnt the temp drop that is not that extreme unless it got lower than that. It has to be something with your water what are the parameters? __________________ 92 Gallon corner tank, 2-radion gen 2 led lights, 2 mp40's Current Tank Info: 92 Gallon Corner Tank

10/02/2010, 02:13 PM	#2
OneReef Reef Guru Join Date: Jan 2008 Location: the great South Posts: 3,218	Hard to say. I have left my heater off by accident and gone from 80 to 73 overnight and my monti was fine. Coral are fickle though....

10/02/2010, 08:14 PM	#8
nanshaw2001 Older newbie Join Date: Sep 2008 Location: Statesboro, Ga Posts: 501	I will test everything in the morning. It was sudden- truly. I am in front of the tank...it is only a 55- with a magnifying glass almost every nite. I love checking out all the little critters! Color was great last nite! Could someone tell me a little more about rtn. Nothing else including my other Monti Caps was affected.... thansk so much for everyones input! __________________ My job doesn't begin to support my addiction! Current Tank Info: 125 Mixed reef, 55 softie tank in the works!

10/02/2010, 09:10 PM	#9
Dustin1300 Reefaholic Join Date: Sep 2007 Location: Carmel, IN Posts: 5,135	Also, I'd think this was not because of the temp swing. How does the temp usually fluctuate anyways.

10/02/2010, 11:29 PM	#10
GhostCon1 Rebmem Deretsiger Join Date: May 2010 Location: Georgia Posts: 1,590	RTN is due to... well, not really sure. Some say disease, others say stress. Alk issues would be a problem, as I know high alk will cause STN. RTN is where the coral literally melts away. The tissue just falls off it. __________________ In the works Current Tank Info: Getting a big'un

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