Why are my SPS dying...?

D

Dylan

So, all my SPS are dying.

2 and a half weeks ago, i did red bug treatment and everything was fine. All the acros started looking better.

4 days later, I did a flatworm exit treatment. I did 40% more of the treatment than recommended because not all of the flatworms were dead; as the instructions recommended. I put in a HUGE bag of carbon, and a 30% water change. the water became crystal clear.

I took out the bag of carbon after 24 hours because I figured the light shock would hurt the acros, I've heard of it before.

A week later, I put in about half as much carbon, and phosban.

By the end of the week, all my monti's were dead. Today, I woke up and my favorite millepora was dying.

I kept up with my dosing, and my weekly water changes. For the past 4 months, my water parameters have been PERFECT.

Today's water test gave me..

Nitrates: 0
Phosphates: 0
Calcium: 410
Alkalinity: 9.3
Magnesium: 1330
Salinity: 1.026

I'm sure the FWE was a problem, but why are MY SPS STILL DYING.

I should add that my equipment is a 250w Lumenmax 3 pendant w/ an EVC 20k bulb powered by an icecap ballast. I have a Warner Marine H1 HOB skimmer, and two Vortech MP10s creating perfect flow on a 28 gallon nano cube.
 
Sounds like you may have introduced too much stuff in a short time frame. With a 28g tank the treatments would need to be performed with precision otherwise they might be toxic.

Try to get the tank stable with your water changes and not add anything. I would even stop running carbon/phosban.
 
Yes, too many treatments back to back is probably the cause, not FWE. I've used it many times (at least 12 times) and never had any losses. It isn't the meds that hurt the tank, it's the dying flatworms. They need to be siphoned out as they die and as you find more.

Running carbon won't hurt the tank, but your lighting is intense. How long do you run that bulb?
 
That is alot of light for that small of tank in my opinion especially with a good reflector. I have used flat worm exit and inteceptor with no losses.

Have you monitored your tank temp also?
 
Yes, I do monitor the tank temp. It's a steady 78 degrees, i have a fan that does the job. And the light is alot, but I've had the acros for four months and they've done great under them. I run the bulb 10 hours a day.
 
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