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Squamosa question

My 5" squamosa clam hasn't fully opened up in about 3 weeks now. It sits at the bottom of my 24" high tank under 1 400 watt 14K bulb as ot has for the past year. I can't figure out why it won't open since nothing has really changed in the tank except the lack of a sandbed since I moved December 1st.

My levels should be ok with:
Ca @ > 400ppm usually
Alk @ 7-9 KH
Mg @ >1280ppm.
I do water changes with OP Pro salt every 2-3 weeks and only dose iodine other than what is needed to maintain the above levels.

The first time a noticed it not opening is when I started to use a two part appoxy for securing corals. But its been three weeks now! Another note, I medicated the tank for cyano about 4-5 weeks ago. I haven't been feeding the corals (phyto) as often as I have in the past, maybe once a week.
Any red flags going off regarding my practice?

Also, I know the clam is still alive because it did open half way (compared to normal) about 4 days ago.

Quote:

Originally Posted by danny zubot (Post 232110)

Phyto...

http://www.dtplankton.com/articles/necessity.html

Run carbon. My clams get cranky when I use too much of it. 3 weeks is kind of long for them to hold a grudge though :razz:

Quote:

Run carbon. My clams get cranky when I use too much of it.

Use to much of what? Carbon or Phyto?

Sorry, I had some trouble posting there. When I use too much epoxy the clams get cranky.

Hmm, maybe time for a big water change then.:neutral: I'll also increase my feeding to 3 times a week and see if that helps.

Just to follow up, I've been feeding 3-4 times a week since my last post on the 25th of January using Phytomax . I've rotated between night feeding and daylight feeding because I'm not really sure when clams do most of their eating. Anyone know? I have also done a 20% water change, and all levels haven't fluctuated from the above levels.

The clam is still closed up, though it has opened up a few times. It's tissue looks healthy except for what looks like a small hole beside it's long tuby thing. (excuse my lack of knowledge of clam anatomy) Sorry no pics at this time.

So what now? It's been like 5-6 weeks since it has stayed open. Should I consider selling or trading it to someone else to see if they have better luck?

Maybe take a moment to visit clamsdirect.com. They might be able to help you further with your clam.

Good luck!

Posted a similar thread to this one clamsdirect.com, I'll post any results that may help.