This is a discussion on Slime on Driftwood? within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; -->
my tank is in the middle of cycling right now and ive been keeping driftwood in there to get some tannis going in my ...
my tank is in the middle of cycling right now and ive been keeping driftwood in there to get some tannis going in my tank. i took a piece out to flip the piece so that the other side would become waterlogged and i saw this white slime on the driftwood. when i took it out, it had a very pungent smell to it. i took it out and rinsed it. what is this slime and what is it caused from? also, will it always be on the driftwood later on? any help would be great. thank you!
If it is white is is almost certainly fungus. Interestingly, we have had several threads on this topic in the past couple of months.
Some fungus seems OK , but some is very toxic and will kill fish and invertebrates. It is safest to remove any you find. Take the wood out, scrub it very thoroughly under very hot water. I would put it in a tank without fish for a few weeks to ensure the fungus does not return. Sometimes it doesn't sometimes it will weeks later. I have just chucked out a lovely piece of mopani branch that had this and the fish (and plants) were being affected. Do you know the type of wood?
it was some type of reptile wood i had for a while. i figured i would try it to see what happens. i took it out and LEFT IT OUT. i added two other pieces of drift wood that was collected locally and has not shown any signs of fungus. any idea why that is?
There are many, many different types of fungus in nature, they are everywhere. Some types use different hosts, like some will grow on uneaten food in the aquarium, some on an open wound on a fish, some on this or that type of wood, etc. They are all different. "Wood" in and of itself does not have fungus, fungus is an organism that may get on or in this or that type of wood.
If the wood is getting soft and smells, the entire piece is rotting and its best to throw it out. Some reptile woods are treated, they may be unsuitable for tank as they may be leaching some anti-rot chemicals.
I have never had problems with the heavy dark wood that is seen under various names such as Malaysian bogwood or driftwood, iron wood, jeti wood, mangrove root. You can see what it looks like in my aquarium photos.