Tropical Fish Keeping - Aquarium fish care and resources

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-   -   Clear sacks on glass (http://www.tropicalfishkeeping.com/beginner-saltwater-aquariums/clear-sacks-glass-1409/)

usmc121581 11-17-2006 08:56 AM

Clear sacks on glass
 
I don't think there bad. But I was wondering what they can be. They are tiny little clear sacks with a little white dot in the middle. I have seen them on other peoples tanks but know one ever knew what they were, and I would like to know what they are. Next time I get some on the glass I will try and get a good pic. I will wipe them off and they will return. They'll go away for a while then return for a couple weeks.

Ziek 11-17-2006 03:46 PM

they could be copapods. i know sometimes if there are alot of them they start going on the glass. they are extremely tiny crustaceans that most fish like to eat. dragonnets and scooter blennies make a diet of them and often nothing else so a large amount of them is a good sign. can't be sure what they are without seeing them

caferacermike 11-17-2006 08:08 PM

It's hard to tell by the description but it could be snail eggs and or little tunicate sponges. My tank will burst with them about once every 4 months and then a month later they all disappear.

White98SVT 11-24-2006 02:59 PM

I have some sacks or what appear to be small bubbles on my live rock but they are a very dark green color. Any ideas on what those are?

caferacermike 11-24-2006 05:34 PM

Dark green, almost clear? Bubble algea. Not much will touch it. Clean water is the best rememedy, Emerald crabs might do it.

White98SVT 11-24-2006 05:39 PM

Quote:

Originally Posted by caferacermike
Dark green, almost clear? Bubble algea. Not much will touch it. Clean water is the best rememedy, Emerald crabs might do it.

Cool...it's not really a problem as there are only about 2 bubbles. I was just curious.

usmc121581 11-24-2006 09:11 PM

It can spread quick, so I would try to get it out of the tank.

White98SVT 11-24-2006 09:17 PM

Quote:

Originally Posted by usmc121581
It can spread quick, so I would try to get it out of the tank.

By hand or by water changes?

usmc121581 11-24-2006 09:21 PM

Do your normal water changes and then try to grab the bubbles and rip them off the rock. if you have a sump you can put them in there.

caferacermike 11-25-2006 12:35 AM

If the rock does not have anythign of value on it remove it from the water for 2 weeks. That will do the trick.


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