Shrinking RBTA???

[Reefer421]

I was wondering if anyone has had a similar experience to mine. Here it goes:

About 6 months ago I bought a maroon clown and a RBTA that was about 4" across. About 3 months later I decided to get my female MC a mate. I got a second smaller MC and another larger RBTA (6") for him so they each had their own "safe" spot to go to and would not both be trying to host a small RBTA.

About 1 month after getting the new RBTA I changed from a 55 to a 210. Eveything went well and the RBTA's seemed to be doing well. Lately, over the last month or so, the larger one has been deflated more then normal. It never looked unhealthy, just like it was expelling waste. I continued to feed silverslides, but it did not take them like it used to in the other tank. It still takes mysis blown in its direction, but stopped accepting silverslides. Now, the larger one is about 2" across when fully inflated and the smaller one is like 7" across.

I do not understand, they are both in the same tank, same parameters, same feeding regimen. Everything is the same yet one is thriving and the other seems to be shrinking. Has anyone seen this or have any idea what is going on ar what to do?

Any advice is appreciated.

 

[tag]

what other parameters have changed besides 55 to 210? lighting, flow, any other info would help.

 

[Reefer421]

The lighting went from 220 watts of PC to 660 watts of T5 lighting. Flow also increased and is running about 3000 gph on the 210. I am using the same salt, same supplements and same foods.

 

[Reefer421]

It has experienced all of the same changes as the other one that is doing really well.

 

[tag]

Not sure what to recommend. Instead of shrimp or silversides, try feeding it kents phytoplex. maybe this will help it get enough nutrients to recover to where it can take larger foods.

 

[GSMguy]

sounds to me like that could be too much light 660watts of t5 with individual reflectors is like 1000w mh

 

[Reefer421]

The strange thing is, it is right next to the other one and they are about 30% of the way down form the top. It is actually 8 - 54watt T5's on Icecap 660's with individual Icecap reflectors, but he bulbs are like 8 months old and are probably not even running at full strength due to being overdriven for so long. Thanks for all the help. I guess I just have to keep an eye on him and make sure he stays ok. He looks exactly like he did when he was bigger, just 1/4 of the size.