I woke up this morning and my 65 head acan colony that I've had for a year is RTN ing. I moved my tank two months ago and it hasn't been the same since. The polyps aren't the deep red and white. It's more of a white, red, and grey. The polyps haven't fully extended and it's been eating very little. The little polyps seem to be doing fine and are taking mysis and krill, but the center larger polyps have been looking too hot. One of the center polyps just disintigrated this morning and it's just a skeleton. I just tested my water.
It's been in the same tank for the last three years and the bulbs were changed out about 6 months ago. It started with 2 polyps and last count was 60. There's 150 watt MH 14k Phoenix bulb, but it's been under MH's it's entire life. However, I did move it up a few inches and I moved it back down after noticing it's color was morphing.
Here are some pics.
http://i684.photobucket.com/albums/vv20 ... 000367.jpg
http://i684.photobucket.com/albums/vv20 ... 000365.jpg
Should I do an Iodine dip or should I have the colony cut to save some of the healthy polyps? Thanks guys for the help.
Acan colony's dying!!!
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