what are these

Aaronreef

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Hi all, so I fort I'd been doing quite well. Corals are growing BTA has split water parameters are good and stable. Then today I came to do my water change and nocked over my rock work made a mess of the tank and found under one of my rocks want looks like a big patch of mould
IMG_20190720_135332.jpg


I also have a lot of these sponges growing
IMG_20190720_135240.jpg


Any idea how to remove them would be appreciated
 

Rufus’ goofs

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My sponges break up in high light and high flow, but mine are a pale blue color, so the effectiveness may vary for you. Other wise I’d just go at it with like tweezers and a brush. Also my anemone shrimp will slowly pick at it .

Hope this helps!
 

Billdogg

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They're sponges, they're great filter feeders :) I wouldn't remove them :)
^^^This^^^

With no help from me, I have sponges in many areas of my systems. Yellow, green, blue, red, black white, orange. IMO, all are good. If they start to encrust over/too near a coral just trim them back. A sign of a healthy system IMO.
 

Kj2186

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I wouldn’t remove them they are great filter feeders.
Hi all, so I fort I'd been doing quite well. Corals are growing BTA has split water parameters are good and stable. Then today I came to do my water change and nocked over my rock work made a mess of the tank and found under one of my rocks want looks like a big patch of mould
IMG_20190720_135332.jpg


I also have a lot of these sponges growing
IMG_20190720_135240.jpg


Any idea how to remove them would be appreciated
 

David Grubb

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If there good for the tank and he didnt place them how did they get there, new guy here so just asking
 

ahiggins

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They come in on live pieces of things brought into our tanks like frags and snail shells. It’s how everything gets there lol like bryopsis or corraline.
 

ahiggins

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Personally I don’t let sponges take hold in the lit areas of the tank. They can have the sump lol
 
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Aaronreef

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Thanks for all your replies I like the sound of keeping them out the DT as they just don't look great
 
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Aaronreef

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Personally I don’t let sponges take hold in the lit areas of the tank. They can have the sump lol
I think I'd be happier to have them out of sight any suggestions how to Keep them out of DT and in the sump
 
Cultivated Reef

ahiggins

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no suggestions per se, they will grow mostly in dark areas anyway like in sumps or under/behind rocks. manual removal is best. theres really no way to "control". they will keep themselves in check for the most part. Also, its a good problem to have lol The white/off white/clear ones are the ones I refer to above with allowing them to grow.
If i cant see them looking into the dt, Im fine with it (unless theyre the red ones that grown between zoa/paly polyps). I pull those immediately because they can strangle poor polyps lol
 

Billdogg

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I consider them to be a normal part of a healthy reef tank. I leave them to grow wherever they want to.
 

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