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  Topic Review (Newest First)
03-06-2011 08:14 PM
SailingWebGuy Tilex will work miracles if its mold.
03-06-2011 07:41 PM
LakeSuperiorGeezer I used 3 quarts of water with 1 quart of bleach and 1 cup of trisodiumphosphate (TSP). Be sure to get real TSP as I have seen containers saying TSP and then in really small letters "substitute", and one had TSP as the registered trademark, but was not TSP. This really did a good job of taking off mildew (at least I thought it was mildew). Keep away from wood and aluminum and wear gloves of course. I used a brass brush as steel will shed tiny particles and stain the fiberglass.
03-06-2011 05:56 PM
hellosailor Could be soot from a nearby truckstop, smokestack, airport traffic pattern?

Could also be living crud but having it on the deck could also just mean it was in the shade---not that the deck was leaking. If you want to check for deck leaks, that's easy enough to do, and might be worth doing in any case vs. price.

Mold and mildew CAN be beaten, but if it gets in behind things and into inaccessible places, that can be a real chore.
03-06-2011 04:04 PM
bljones Whatever it is, negotiate a $500 discount. That will almost cover the cost of cleaning materials and time.
03-06-2011 02:37 PM
RichH Most probably an 'artillery fungus' ....
03-06-2011 01:44 PM
sawingknots ahha,pine trees,its mold or mildew pine trees give off lots of sap,i've saw cars that have been sitting under them,same result,soap and bleach will have it looking spiffy again,but ofcoarse one should always check for soft spots,mildew or not
03-06-2011 12:30 PM
mitiempo It looks like mold which isn't a great problem by itself. But it is also an indication of neglect. I would check the whole boat for possible issues, buy or borrow a moisture meter and determine how the cored (most likely) decks are. I hope the price is very low as the owner didn't exactly prep it for sale.

Let us know the results.

Here's a link to the purchase and use of a moisture meter by MaineSail:
Understanding the Moisture Meter / Electrophysics CT-33 Photo Gallery by Compass Marine at
03-06-2011 11:08 AM
svHyLyte Mold is less of a problem than discoloration from soot. Some have the impression that cold prevents or slows the growth of mold but we have found some of our worst mold problems develop during the winter rather than the summer. If the discoloration is from soot, that can be very damaging to the gel-coat. Soot necessarily contains more or less sulfer which, when combined with the humidity in the air, forms Sulfuric Acid (think acid rain). Lingering on the deck, trapped in place by the particulates in the soot itself, this stuff will quickly eat into, and through, gel-coat. That can be remedied but not easily nor inexpensively unless its very minor.

03-06-2011 10:57 AM
rios01 thank you guys, this is a very big help.'check list was a big help also. this is not something to do by yourself.
03-06-2011 10:50 AM
rios01 It's stored outside uncovered amongst the pinetrees in the seller's backyard. with penlty of sunlight
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