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-   -   Leaving boat - How to prevent mildew (https://www.cruisersforum.com/forums/f47/leaving-boat-how-to-prevent-mildew-126399.html)

Calusa Sailor 18-05-2014 05:24

Leaving boat - How to prevent mildew
 
I will be leaving my 33 ft sailboat for 3 months in SW Florida in summer. How should I prevent mildew?

It will be in a slip with shore power, but must be buttoned up without AC in case of storms.

I will leave all fans on for ventilation.

Any suggestions will be much appreciated.

J Clark H356 18-05-2014 06:09

Re: Leaving boat - How to prevent mildew
 
I had my Hunter 356 in Florida for 4 months last winter, 3 of them in SW Florida. We left the AC on while we were gone, about half the time. We Had no mildew problems. Why don't you want to run your HVAC?

boatman61 18-05-2014 06:17

Re: Leaving boat - How to prevent mildew
 
If you've an auto bilge pump why not just get a cheapo de-humidifier and have the hose lead into the bilge..

Calusa Sailor 18-05-2014 07:21

Re: Leaving boat - How to prevent mildew
 
My AC is not installed in the boat. It is a household window shaker than is on the deck and blows in through the overhead hatch. I want to be able to secure the hatch for security and weather so I can't use the AC.

Mycroft 18-05-2014 08:25

Re: Leaving boat - How to prevent mildew
 
I'm with the boatman. Buy a decent size dehumidifier and have the water drain into the bilge or the shower sump.

Kevin84 18-05-2014 12:44

Re: Leaving boat - How to prevent mildew
 
Portable dehumidifier is definitely your best bet. I'm in SC so the weather is very similar, and most people use em to prevent mold and mildew.

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skipmac 18-05-2014 12:48

Re: Leaving boat - How to prevent mildew
 
Anyone have any recommendations for dehumidifier brands and models?

bob_77903 18-05-2014 12:50

Re: Leaving boat - How to prevent mildew
 
I have never used them, but got very good reports on them from people in Rio Dulce, Guatemala, which is more humid than Florida. SunPac are the ones most used.

Kill mold and mildew

hellosailor 18-05-2014 14:01

Re: Leaving boat - How to prevent mildew
 
If you can, install the dehumidifier high enough so that it can gravity drain overboard. That way there is no bilge water, no reliance on the bilge pump.

I'd also buy whatever mildew preventive spray you can find locally, and heavily dose the boat before you close it up. PS did a review of them a while ago, several do work well.

Prop up any cushions, etc., so there's ventilation all around them as well.

Hud3 18-05-2014 14:07

Re: Leaving boat - How to prevent mildew
 
A solar hatch vent can really make a difference. I left my boat on the hard in Grenada, and twice in Antigua during the hurricane season, and had very little mildew to deal with when we put her back in the water. Wiping down interior surfaces with white vinegar also helps keep mildew at bay.

scuba0_1 18-05-2014 15:01

Re: Leaving boat - How to prevent mildew
 
Humidifier good idea just remember it elm run on 220 your bilge pump will run on battery so you will need to keep your battery charged.

Sent from my SCH-I535 using Cruisers Sailing Forum mobile app

a64pilot 18-05-2014 15:54

Re: Leaving boat - How to prevent mildew
 
I put the dehumidifier on the counter and it drains into the sink. No bilge pump involved. I think mine came from Sears and has been working for a long time. No need for a marine one. A dehumidifier will make an appreciable amount of heat though so you need a way to let the heat out.

darylat8750 18-05-2014 16:12

Re: Leaving boat - How to prevent mildew
 
Plus 1 for leaving it on the counter draining down the sink.

I was told to put several open containers of vinegar around the cabins. This is supposed to keep the atmosphere in the boat too acidic for mold. I put one in each living area and engine room (large yogurt or cottage cheese containers) and have left the boat for a month at a time with no issues.

boatman61 18-05-2014 16:21

Re: Leaving boat - How to prevent mildew
 
[QUOTE=darylat8750;1544177]Plus 1 for leaving it on the counter draining down the sink. QUOTE]

That won't work.. my bucket empties by hand..:whistling:

a64pilot 18-05-2014 16:24

Re: Leaving boat - How to prevent mildew
 
[QUOTE=boatman61;1544182]
Quote:

Originally Posted by darylat8750 (Post 1544177)
Plus 1 for leaving it on the counter draining down the sink. QUOTE]

That won't work.. my bucket empties by hand..:whistling:


Drill a hole in your bucket and put a barb fitting in


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