Wood choice for the planted tank - Page 11 - Aquascaping - Aquatic Plant Central

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Aquascaping Discuss aquascaping designs and techniques as well as get critiques on your aquascaping pictures. Find out how to use aquatic plants, reefs, and wood to design a planted aquarium.

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Old 01-20-2016, 05:42 PM   #101 (permalink)
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Default Re: Wood choice for the planted tank

Quote:
Originally Posted by JustLikeAPill View Post
Rhododendron and Kalmia (forget the common name) and two poisonous shrubs but make excellent (and safe) wood after you remove the bark and boil.. and boil and boil and boil. Saprolegnia grows at first.

Looks similar to redmoor root wood/ "branch wood" by ADA.
I live in the Pacific Northwest, and was excited to see I could use Rhoddy for decorations, but I am confused about the Saprolegnia comment (and worried, now). Are you saying this protozoa (mold/fungi) is a normal inhabitant of Rhoddy wood? Or is that true of any wood you introduce into an aquarium? Can you clarify and provide more discussion on this?
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Old 01-20-2016, 06:10 PM   #102 (permalink)
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Default Re: Wood choice for the planted tank

Any wood has the possibility of growing fungi.

As a very rough concept:
Fungi live by growing on dead matter such as fallen leaves, dead trees and bushes (still standing or fallen). It is their job in the circle of life to begin breaking down dead plants and start the recirculation of the nutrients in the leaves, branches, flowers, fruit and so on.

When we place (dead) wood in our aquariums one of the most common organisms that grows on it is a cloudy white gooey stuff. Occasionally referred to as 'wood snot'.
Some fish will eat it, especially Loricariads, and shrimp.

If you add such wood to your tank before the tank is cycled, then take a few weeks doing the fishless cycle, the fungi may grow too massive. If this happens, I would remove the wood and hose it off, brush it off with a soft brush, or other method of removal. Even leaving it in the tank and brushing it off with a siphon running nearby. Do not waste a lot of time trying to get 100%, though. It will come back. You are just trying to de-bulk it so it does not fill the tank.

In the end, it is not harmful to the fish (as I said, they can eat it) but it can be a bit too much.

I have heard several reports of grape wood being especially bad for this, but IME grape wood seems not to grow this material in my tanks.

Good to know about Rhody and Kalmia. I would sure be suspicious of fresh wood, though. Make sure it is well seasoned to break down the toxins.
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Old 01-20-2016, 07:19 PM   #103 (permalink)
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Default Re: Wood choice for the planted tank

I put some Ash wood in a tank last year. Mushrooms grow where the wood is above at at the water line. They don't seem to bother anything. Under the water no fungus seems to grow at all. From this I guess that the fungus really has some relation to the actual wood.
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Old 01-31-2016, 11:53 AM   #104 (permalink)
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Question Re: Wood choice for the planted tank

This thread scares me, because of my lack of knowledge. For example, I see Rhododendron listed as a wood here, for aquariums. Rhododendrons have the toxin Grayanotoxin. As little as .2% of body weight ingested can be toxic. It is in the leaves, stems, branches, and roots.

How can this be safe in an aquarium with loaches, pleco's, and any other fish that may rasp on the wood or 'swallow' toxins released in the water.

Very confused whether verifiable research, vetted by professionals, is used in these discussions.
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Old 01-31-2016, 12:00 PM   #105 (permalink)
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Default Re: Wood choice for the planted tank

Thanks! I am concerned about the toxins in Rhododendrons more than the fungus. They are lethal in small doses. I wish I could find a fish scientist that actually has studied whether toxins poisonous to land animals were toxic to fish (naturally occurring, not man made pollution stuff).
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Old 02-04-2016, 04:55 PM   #106 (permalink)
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Default Re: Wood choice for the planted tank

I noticed african root wasn't on the list? Or goes by another name?
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Old 11-16-2016, 06:12 PM   #107 (permalink)
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Default Re: Wood choice for the planted tank

great list
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Old 09-07-2017, 02:33 PM   #108 (permalink)
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Default Re: Wood choice for the planted tank

so I cut down a bunch of trees in my yard over a year ago and I have and Idea for a new tank I want to do. I was thinking of using persimmon trees in it. I have searched the web and cant find anything that says they are not aquarium safe. Has anyone else here used them or know if they are or not???
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Old 09-07-2017, 03:02 PM   #109 (permalink)
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Default Re: Wood choice for the planted tank

I have persimmons in my yard(s). In AR there is a lot of them. Good to eat to.
As for aquarium use im no help, its a hardwood I believe so mental checkmark there (good thing, wont decompose quickly)
I say Boil it, and get the tannins out, inspect it really good, then try it out and tell us how it goes for you.
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Old 11-05-2017, 04:12 PM   #110 (permalink)
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Wink Re: Wood choice for the planted tank

I know sycamore leaves are good for shrimp.. So I would assume well aged sycamore is safe for tanks.
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