Hey Steve.
When you said a "pinched mantle" what does this look like exactlly?
My large Dersa has a pinced mantle, I think

.
It's been like this for about 2 to 3 months.
clam is doing well and showing growth but it doesent extend it's mantle all the way.
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No matter what the morrow brings, inventors keep inventing things.
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Jonathan
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