How do i treat this before adding it to the tank? I want it to release tannins in the tank to lower the pH, so i don't want to boil it all out.
Also, if i use carbon in the filter, will this only remove the tannin colour, or also counteract the pH lowering effect?
Also, if i use carbon in the filter, will this only remove the tannin colour, or also counteract the pH lowering effect?