Just acquired a Cat. 25 swing keel. Haven't owned a boat in 35 years. Boat sat in cradle several years. Lots of mold and mildew in bilge and lockers. Most came out with bleach and water, which brought out this question. Water collects in bottoms of most spaces, doesn't drain to rear, where bilge pump is. There are lateral ribs under the floor visible through the hole in galley area floor covered with fiberglass that hold water and block it from draining aft. I drilled a very small hole down into one of these ribs, moisture and damp light wood shavings came out in the flutes of the drill bit. Question: can I drill a hole through these ribs to facilitate water drainage aft, where bilge pump is. Once I get rid the stagnant water and mold, I'd like to make it easier for water to get to the bilge pump to avoid this situation again..
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