The German magazin Yacht has publisched a video about great method for very early detection of Osmosis
. Highly useful for purchasing
a used boat
Just use a normal UV Light and yellow protection glasses. Any paint
, antifouling and primer needs to be removed from the surface prior to the test. Gelcode does not need to be removed.
They say this method allows to see Osmosis
up to 5 years prior to having the classic
Video in German here: https://youtu.be/1rr9GfVXDJ0