Daveouthere
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Noticing this thing growing in the tank out of nowhere. Not sure what it is?
ID please???
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Poof No Eyebrows
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Sponge???
Isopod80
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Looks to me like the start of some red beard sponge. Clathria prolifera. If so, it's fairly common. It could also be a type of algae. Can you get a clearer picture? Here's an example of red beard sponge. It can vary in color from red to orange.
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Daveouthere
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I will try when I get home. If so is it a pest I should try and get out or keep as a filter feeder?
Isopod80
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I personally like sponges in my tank and have several varieties. Some hate them. I guess it's a matter of personal preference. Some can spread rather quickly and would need to be kept in check. Some can be toxic as well so that's something to consider. If it is prolifera then the species name is a clue to its growth rate. 
A clearer pic. would still be best. I can't rule out algae.
A clearer pic. would still be best. I can't rule out algae.
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