natcool111 Posted February 9, 2014 Share Posted February 9, 2014 My start polyp plug is turning black, you can see where it as grown on the rock that it still is purple. what is going on? Link to comment
Coco66 Posted February 9, 2014 Share Posted February 9, 2014 Is the actual mat turning black or do you have a black sponge taking over? Link to comment
natcool111 Posted February 9, 2014 Author Share Posted February 9, 2014 i don't know what a black sponge is all I know is the that purple part on the plug is turning black. Link to comment
Formula462 Posted February 9, 2014 Share Posted February 9, 2014 i don't know what a black sponge is its a black sponge Link to comment
natcool111 Posted February 9, 2014 Author Share Posted February 9, 2014 what is a black sponge? will it hurt my tank or my star polp? Link to comment
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