12-05-2010, 06:07 PM
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Originally Posted by emkbass
I just looked at "your tanks"
Very nice set ups.
I wish I would have used smaller gravel on my 55g setup like you have.
Looks good. What is the wood in your tank? the one that looks like roots?
On the cedar, I tried it once, fortunately in an amphibian tank without fish. The wood came from under water in a lake. It was terrible at falling apart. And the "sap" I should more correctly have called resin, is toxic (didn't know that then). I also bought a large piece of what I believe was cedar (from the reddish colour and smell--I live in an area of NA covered in cedars) and had that in my 115g until I discovered that it was killing the fish off. Last, having so much cedar around us here, it is very common in fences and patio decks. But if not treated, it rots apart very fast. I would not treat wood going into an aquarium.
The wood I use is I believe mangrove root or similar. It is black, very heavy [I believe some call it iron wood] so it sinks immediately even if put in "dry", and resists rotting a long time. All the wood in my tanks is this type, with one exception; the branch in the 33g SE Asian pond, that is that African Mopani wood that is pale on one side (or more). It is very bad for tannins, takes a while to get waterlogged to sink, and is prone to a white fungus which can kill fish. There were a couple of threads over the past year about this fungus issue. This is the only piece I've ever had, so I had no idea about all this previously; I will never buy more of it.