I have wood in my Goldie tank (quite a bit of it actually)......the only thing it will do for a start is change the water brown as the tannins release from the wood...and those tannins will change the
pH of your water so you will need to do water changes to keep that in check...
The best thing to do if you can is put the wood into a bucket (or appropriate sized container) and let the tannins leach out in that....when the water in the bucket is clear...then put in your tank (me i couldnt wait...so i'm battling the tannin coloured water)