hey guys,,,getting ready to start building my veg room(in about 4days) ,,I have a nice 6x6 room with an ac vent from my central unit,,,my ? this morning is what to do with the walls ,,they use to have mylar put its old and falling off in places ,,I think there may be mold issues behind the old mylar ,,,after dealing with the mold should I replace the mylar or paint the walls ,,if I do paint do I use oil base or water base,,do I use high gloss or flat ,,,thanks in advance for any help ,zig