Wood and water quality

[eon aquatics]

Does driftwood affect water quality? - how to Driftwood

When driftwood is added to an aquarium the wood’s natural tannins will begin to slowly discharge into the tank. The tannins discolor the water, increase acidity and raise oxygen levels slightly. As well, it may encourage the development of bacteria that help decompose fish byproduct and reduce...

howtodriftwood.com

https://aquascapingsupply.com/tank-talk/f/the-advantages-of-driftwood

 

[eon aquatics]

My experience with wood is that its quite a hassle.
Almost every time i put wood in my aquarium it grew mold or something and emitted a huge amount of tannina and would foster quite a large amount of algae.