corals out of water

meenamjah · 07/23/2010, 11:39 AM

how long can corals be kept out of water safely, if, say, you're doing a 50% water change or something...?

James983 · 07/23/2010, 11:42 AM

I don't know how long exactly, but I know your fine for a few hours. I have fogotten frags that were left dry several times and never had a problem. I think some people ship frags dry as well.

nemosworld · 07/23/2010, 11:44 AM

they can last for a while, but i would every so often get tank water and pour it over them, just to keep the wet.
Note: there will be a lot of sliming when you fill the tank back up, why such a large water change?
I think you will be better off doing small 5 gallon water changes daily over the course of a week, 10 gal depending on your tank size.

sslak · 07/23/2010, 11:54 AM

I've seen people who drain the tank 50% once a month or so...there was a thread here in the last day or so with a tank packed with SPS. I think the time it takes you to drain the tank and fill it up would be ok.

Canadian Reefer · 07/23/2010, 12:01 PM

Quote:

Originally Posted by nemosworld

they can last for a while, but i would every so often get tank water and pour it over them, just to keep the wet.
Note: there will be a lot of sliming when you fill the tank back up, why such a large water change?
I think you will be better off doing small 5 gallon water changes daily over the course of a week, 10 gal depending on your tank size.

Sometimes a large WC is whats needed. If you nitrates are real high then a large WC is in order. All you will do is remove very little nitrate with each small WC. If you do 2 50% changes over a weeks period you will have reduced your nitrate by 75% of your initial level.

\As for your coral most will be fine being out of water for an hour or so just put a moist paper towlel on them if they are out of the tank.

Allmost · 07/23/2010, 12:06 PM

it wont kill them, corals in wild are out of water for couple hours at a time at low tide.

but they sure do get stressed and if the coral is not doing good, it may die from the stress.

Dave VG · 07/23/2010, 12:15 PM

Check it out

http://www.youtube.com/watch?v=VfOBqEPX6GM

07/23/2010, 11:39 AM	#1
meenamjah Registered Member Join Date: Jul 2010 Posts: 19	corals out of water how long can corals be kept out of water safely, if, say, you're doing a 50% water change or something...?

07/23/2010, 11:54 AM	#4
sslak Registered Member Join Date: Aug 2005 Posts: 1,705	I've seen people who drain the tank 50% once a month or so...there was a thread here in the last day or so with a tank packed with SPS. I think the time it takes you to drain the tank and fill it up would be ok. __________________ Steve Current Tank Info: 58 Oceanic/20g Sump/250w XM 20k/2x39w T5 True Actinic 03/2010 Reef Octopus NW Cone Skimmer

07/23/2010, 12:15 PM	#7
Dave VG Registered Member Join Date: Jan 2007 Location: Northeast, Pa Posts: 3,129	Check it out http://www.youtube.com/watch?v=VfOBqEPX6GM __________________ Dave Current Tank Info: 40B Display, 40B sump/fuge

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07/23/2010, 11:42 AM	#2
James983 Registered Member Join Date: Mar 2006 Location: Long Island, NY Posts: 1,223	I don't know how long exactly, but I know your fine for a few hours. I have fogotten frags that were left dry several times and never had a problem. I think some people ship frags dry as well.

07/23/2010, 11:44 AM	#3
nemosworld Registered Member Join Date: Oct 2009 Location: Houston TX Posts: 1,411	they can last for a while, but i would every so often get tank water and pour it over them, just to keep the wet. Note: there will be a lot of sliming when you fill the tank back up, why such a large water change? I think you will be better off doing small 5 gallon water changes daily over the course of a week, 10 gal depending on your tank size.

07/23/2010, 12:06 PM	#6
Allmost Moved On Join Date: Apr 2010 Location: canada, toronto Posts: 8,161	it wont kill them, corals in wild are out of water for couple hours at a time at low tide. but they sure do get stressed and if the coral is not doing good, it may die from the stress.