Funny purple mould

 I am looking at buying a second hand boat and it has this funny purple mould in various places. Has anybody seen mould like this before? Is it easy to get rid of? If you use Exit Mould and scrub it, will it all come off, or will it leave a stain? Any other suggestions for getting rid of it?

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Swompa's picture

Posts: 3757

Date Joined: 14/10/12

 Exit mould will do it

Fri, 2014-03-07 20:02

 Exit mould will do it

Posts: 102

Date Joined: 15/07/12

Mildew

Fri, 2014-03-07 20:09

 Check under the floor and any other pokey spots you can get to for any marine ply and see if it is moldy which might indicate problems with rotting timbers. If all good, vinegar and elbow grease will get most of it off.

sunshine's picture

Posts: 2549

Date Joined: 03/03/09

Much cheaper and better to use

Sat, 2014-03-08 09:09

 10 per cent solution of white vinegar, which is actually one of the few things that actually kills to mould spores, many of the proprietary commercial fixes simply contain bleach which appears to do the job as the mould stain is whitened but does not kill the spore so it can break out again within days.   A simple spray bottle mist spray on all exposed surfaces will really help to get it under control and use bleach to make the staining disappear 

Saulty2's picture

Posts: 643

Date Joined: 28/05/10

was expecting purple mould on purple hayze

Sat, 2014-03-08 09:45

due to their 2 strait lossesyes white vinegar should do the trick but think u need to investigate further as to the cause

sea-kem's picture

Posts: 14833

Date Joined: 30/11/09

 Must've belonged to a Docker

Sat, 2014-03-08 10:17

 Must've belonged to a Docker ;) Exit mould will just kill the mould, shouldn't leave a stain.

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chris raff's picture

Posts: 3257

Date Joined: 09/02/10

Bleach can damage the gelcoat

Sat, 2014-03-08 10:25

Bleach can damage the gelcoat according to some  http://www.thehulltruth.com/boating-forum/309388-bleach-no-bleach.html

Here's a copy and paste with some info

Bleach doesn't kill mould, it only removes its colour.
Vinegar doesn't kill mould, it only masks the smell. Same with ammonia.

99% of mould
removal is mechanical - scrubbing.
Then to kill it and prevent its return - Clove
Oil. It's the only way.
Use a spray bottle, about 100ml of
water, and a teaspoon of clove oil, and spray the entire interior. The water will evaporate, leaving a microscopic film of the oil, which kills any mould that is there and prevents its return.

I followed this advice from Shannon Lush, a chemist and cleaning expert, and it worked a treat on my boat, which had plenty of mould

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sunshine's picture

Posts: 2549

Date Joined: 03/03/09

Sorry but wrong

Sat, 2014-03-08 12:37

 All and I mean all of the professional remediation companies including mycologia who are world leaders in the field use a dilutes solution of white vinegar .......seems too damn simple but it does kill mould spore whereas many of the exit mould type products simply bleach away the black but it does not kill it.   Yes scrubbing deeply effected areas greatly improves penetration of the vinegar.  Do not use it at higher strengths as the water is needed for its emulsifier qualities

have had to do many homes after severe storm or burst pipe claims and this requires scientific confirmation of mould remediation so I am utterly certain what works and doesn't