each piece of driftwood goes through a 2 part process before being offered for sale.
the 1st step is pressure washing to remove dirt & loose surface material. the 2nd step
is highpressure steam for sterilization.
as for tannins potentialy being released when submerged, that is not an issue with the wood
we offer. all the wood has been submerged for many years until being harvested & is vitualy tannin free