white ball

[sh4n]

Can anyone help me Id this? I havent added anything recently to my tank. current fish are: 2 clown fish, blue tang, red corris wrasse, blue star fish, tropical sea abalone, few hermits and snails. few soft corals and a bubble tip anemone.
edit - its now with another small ball

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[spanko]

Does it move around?

 

[sh4n]

no. just saw it today, now there is another smaller white ball with a tip like a top of a snail shell