I recently had the exterior of my vintage p26w completely restored I removed carpeting that the previous owner had put on the walls and painted the inside of the cabin with pettit easy poxy. Boat has only 1 dorade vent on the bow,. no other ventilation. Im trying to avoid mildew. What should I do? Add additional ventilation? where? what type? or just leave things alone and wash the cabin down every few weeks with lysol or spic and span