Clam spawns will happen on occasion. You have to be careful because one can usually set off a number of them and then you have a small problem on your hands.
That said ... a spawn is unmistakably .. a ... um ... a spawn (there's no delicate way to say this or what it smells like).
Dark and chunky expellate (is that a word? You know what I mean) may just be expelling zooxanthellae. This also happens from time to time. Spring cleaning, in a manner of speaking, I suppose.
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-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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