Help with new 125 gallon build

This is very bizzare, it was doing fine for 1 week then in a couple of days...i have 2 other flower pots and are doing fine. It may have had a disease.
 
Rapid Tissue Necrosis (RTN) can happen in less than a couple days. I have yet to understand what causes a coral to die like that. The only way to save it is to frag it as soon as it happens by saving the healthy part before it spreads to other healthy tissues.
 
Now if I continue my 3 gallon a day water change, would that be enough so I don't have to dose anymore? I took tests of my fresh batch of saltwater and it came in at Cal of 450 and Alk of 9.2
 
If I remember right, your tank has mostly LPS which don't consume much of alk and calcium. May be your daily water change is suffice for their needs. Just monitor your parameters every few days while your dosing is off.
 
Simon,
Could it be possible that the tubing that I am using on my UV sterilizer is doing something to my water? I am using black rubber tubing that i got from true value hardware store that is used for cars. I did not want to use the clear vinyl tubing due to the algae growth it creates inside the tubing from the light.
 
I also use black vinyl hose, not rubber, from Menards for the very reason you stated. I don't know if rubber hose makes a difference though.
 
Ok, I'm just trying to eliminate any possibilities. I guess if this hose was an issue I think problems would have shown up a lot sooner since I've been using this hose from the very beginning so its been like almost 6 months now.
 
Hey Simon, when i got home looked at the flower pot and its still completely closed but the skeleton is a light purple, could be my lighting doing that also. But when i look straight into the holes in the skeleton, i could see the small neon green polyps inside hiding. Does that mean its still alive? Just don't want to throw it away if it still can be saved.
 
Progress on coral growth

Progress on coral growth

Hey all, thought i would post some pics of the progress on some of my corals.

First SPS frag purchased in early March this year:



same frag now:



Its amazing to see growth like that in 6 months
 
Another update on my tank - lesson learned

Another update on my tank - lesson learned

Well, i have to say i've learned my lesson 6+ months into this hobby and its about quarantinig all your fish which I did not do and now sadly paying the price! I've lost 50% of my fish in the last 2 weeks alone. Gone are:

1 Sargassum Trigger
1 oscellaris clown
1 powder blue tang
1 Naso tang
1 blue green chromis

It looks like marine velvet has stuck all of these. Did not find bodies for trigger and clown fish, they simply dissapeared. Here are some pick of the deceased tangs:

Naso:


PB:


My trigger which i loved dearly still yet to be found..just decided to dissapear, and soon after all the other fish that died starting falling one by one. Here is a picture of the trigger



I've started setting up a 75g QT tank and its currently cycling. Never again will any new fish get in DT without quarantine! Once my QT cycles, I will move remaining fish in QT and leave the DT tank fallow at least 3 months to get rid of this parasite. This will also allow me to plan my upgrade as well.
 
Tasso, so sorry to hear your loss. They were all beautiful fish. Did you do the freshwater methylene blue dip before adding them to your tank?
 
Hi Simon, yes I did do the dip except on the trigger. I figured triggers are so hardy that even if he got sick, he could handle it. The trigger never showed any signs of illness and even ate out of my hand, he just dissapeared.
 
Let me back track a little here so we can get a full picture here. Back in mid July, my lawnmore blenny died - and at the time I figured it was because he did not eat. I originally got him to help fight GHA in my tink which he did, but once it was gone he had nothing else to eat and would not touch any food given to him. Well after 4 months of not eating anything, he died.

So I decided to replace him with a long nose butterfly fish. I gave him his freshwter dip before getting into the tank ( he did not like that at all) and put him in. He only lasted 1 week, and the last day he looked like he was covered in ICK but at this point, could have been velvet. So found him dead on day 7.

A few weeks later I added the trigger. Picture of health and never showed any issues and was always swimming up front. 1 week later I decided I wanted to add another trigger, a blue throat trigger. Once he was introduced, the Sargassum did not like it one bit and chased him like crazy...so much so he chased him right into my carpet anemone - so that was a $40 dinner for him.

Since that incident, i did not add any new fish and on 8/30 the Sargassum trigger disappeared and few days later the demise started with all the other fish losses. That's my story in a nutshell.
 
Did you check your water parameter after the Sargassum trigger disappeared? I wonder if the fish died and polluted the water (ie increase in NH3) when your system couldn't handle the dead fish bioload. Did you do a big water change after the fish loss?
 
my parameters have always stayed stable..i've never had an NH3 spike..always zero. I forgot to mention that the one oscelaris clown also i cannot find...he looked very week a few days ago and then gone. and also...i had a royal gramma as well...cannot find that fish either..2 weeks now. I have been maintaining my 3 gal/per day water changes and I've also done a couple of 10 gallon changes in between all this.
 
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