View Full Version : Strange white growth on sump glass, is this a sponge?
Jrod4
12/03/2013, 08:17 AM
Noticed this growing on a couple spots in my sump next to the skimmer, anyone know what it is and should I get rid of it?
http://postimg.org/image/rsl8np6df/
http://postimg.org/image/rsl8np6df/
thegrun
12/03/2013, 08:58 AM
Yes, it is a sponge
YoungREEFA
12/03/2013, 09:02 AM
Pineapple sponge
thegrun
12/03/2013, 09:48 AM
It's a sponge but not a pineapple sponge.
Jrod4
12/03/2013, 10:06 AM
Is this good or bad? Should I leave it be?
What do sponges grow off of? Do they prefer darker areas?
thegrun
12/03/2013, 10:08 AM
It's fine either way.
amutti
12/03/2013, 11:27 AM
It's good in the sense that it does no harm and filters the water. If you have a lot of them you could say it's bad because it probably indicates that you have high nutrients in the water.
YoungREEFA
12/03/2013, 08:33 PM
I assumed since i couldnt view the picture :)
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