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Landolakes

Landolakes

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I set up a new 180 from my 125 and all was good until last week. Out of no where all my euphylia (except for a hammer) have bleached, followed by my anenomes and an encrusting gorg and my star polyps slightly. The only thing that changed was that I added all new aragonite sand. My leathers are all good as well as my blastos, one set of palys are fine and the other bleached. I have 0 nitrite, trate and ammonia. Ph of 8.3, calcium is low at 400 and my alk test only tells me that its normal. I have bionic parts 1 and 2 but dont know how much to add. Help first time I have any real trouble and it hurts.
 
wow Lando.. thats not good.. did you increase your lighting?? the new water used was R/O correct?? any big temp swings?? how did you acclimate everything over?? what exactly is the alk? ?
 
Need a better test kit for alk as mine only tells me low, normal or high. My temps have been constant at 80. The only thing I can think of is the lighting bouncing off the sand as it was bare bottom for a whle.
 
how deep did you make the new sandbed?
When you say "bleached" do you mean the corals lost their zooxanthellae and are still alive, or did they totally kick the bucket?
 
Did you use the aged water from the 125 or all new? Was salinity constant? Perhaps the corals were chilled or otherwise affected during storage when you transistioned tanks? At this point if your salinity, Temp and other parameters are good the worst may have passed.Did ph change?
 
I did have a ph drop for a day or so, I used 75 gallons from the old tank. Should I shorten my light cycle or keep it the same?
 
<a href=showthread.php?s=&postid=10972266#post10972266 target=_blank>Originally posted</a> by Landolakes
I did have a ph drop for a day or so, I used 75 gallons from the old tank. Should I shorten my light cycle or keep it the same?
Click to expand...

What light did you have and what did you switch to? It is possible that your corals needed to be aclimated to the new light. When I went from 2x65w pc's in a 10g to a 150w mh and 2x96w in my 30g, my euphillia (torch, hammer, and frogspawn) all retracted for almost 2 months. Also, I DID aclimate the new light over the course of one week.
 
What light did you have and what did you switch to? It is possible that your corals needed to be aclimated to the new light. When I went from 2x65w pc's in a 10g to a 150w mh and 2x96w in my 30g, my euphillia (torch, hammer, and frogspawn) all retracted for almost 2 months. Also, I DID aclimate the new light over the course of one week

That's right I would expect retraction from photoinhibiition not so much immediate bleaching. If they are welsi blastomossas which did well I would have expected them to go first if there was a light problem. Merlettis on the other hand seem to adjust to almost any thing.I would suspect something chemical. 105 gallons of new water can contain a lot of impurities from the salt mix and it takes time for it to precipitate out. Are you confident about constant salinity. If you added new sand you took away alot of bacteria. If you added a lot of new rock(cured but not aged) it could also cause a problem but your amonia and nitrates are low. They could have spiked in between testing but that's a reach. What salt mix did you use?
 
Or... if you don't like to get shocked, use a DMM (Digital Multi-Meter) and start unplugging things until the voltage goes away...
 
most likely suspects are; heaters and powerheads and then anything else in the water. A short in you light could do it.
 
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