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Old 21-05-2014, 02:20 PM   #1
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Boat make: Sharp 19' so I was told! I think it's a Predator?
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Best way to clean

can anyone help!!

what's the best way to clean a fibreglass hull? fair amount of scum/ general dirt
I've got a pressure washer but it's very powerful (don't want to cause any damage!

any cleaning product designed for the job?

cheers
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Old 21-05-2014, 10:07 PM   #2
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Boat name: Isabella / Cool Runnings II / Bella / Sea Pup / Sea Dog / Speedy II / Bernico F3
Boat make: Colvic 35 Suncruiser / Bernico F3 / Phantom 16 / Zodiac 420 YL / RIB / Apollo 9
Engines: 2 x Perkins Sabre 225ti / Mercury Pro XS /Mercury Pro XS 115/ Tohatsu 2.5 / Mercury 25 / Mercury 50
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I jet wash then wash with car shampoo.
I use brick cleaner to remove the stains.
Then rubbing compound to remove anything that hasn't gone.
Finally I use collinite fleetwax 870
Plus blue colured wax for the sides.
UPVC window cleaner for rubbing strip

Takes ages !!!
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Old 21-05-2014, 11:17 PM   #3
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Country: uk
Location: Isles of Scilly.....(use google)
Interests: small race boats, big race boat....anything with speed really
Boat name: Joyride
Boat make: Sharp 19' so I was told! I think it's a Predator?
Engines: mercury 1150 thunderbolt 6cyl... Mercury 1995 115hp 4cyl
Cruising area: inter islands

Join Date: Dec 2012
Location: Isles of Scilly.....(use google)
Posts: 129
odd happenings!

Quote:
Originally Posted by Silversurfer View Post
I jet wash then wash with car shampoo.
I use brick cleaner to remove the stains.
Then rubbing compound to remove anything that hasn't gone.
Finally I use collinite fleetwax 870
Plus blue colured wax for the sides.
UPVC window cleaner for rubbing strip

Takes ages !!!
cheers!,
although a very odd thing happened I toyed with the idea of the pressure washer and tried it on a small area (just under the running strip at the stern).... WELL the blue paint just peeled off and revealed an un-sanded blood red gel coat!!!
the entire transom was the same! not done the rest yet still bit taken aback.
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Old 04-06-2014, 09:42 AM   #4
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Cleaning gel coat

Quote:
Originally Posted by Silversurfer View Post
I jet wash then wash with car shampoo.
I use brick cleaner to remove the stains.
Then rubbing compound to remove anything that hasn't gone.
Finally I use collinite fleetwax 870
Plus blue colured wax for the sides.
UPVC window cleaner for rubbing strip

Takes ages !!!
I have just taken delivery of a 21ft Ring - the hull is untreated white gel coat but this has discoloured in some area where water has been sitting for prolonged periods. I managed to polish out a lot of these areas but was just wondering how affective the 'brick cleaner' mentioned above would be on getting rid of the real stubborn stains.

Can anyone give me any information on this results I can expect to achieve or any other methods for removing these water stains

Thanx
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Old 04-06-2014, 09:36 PM   #5
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Country: UK
Location: Thorpe Bay
Occupation: IT Director, www.lighthouseit.co.uk
Interests: Boats, Surfing & Snowboarding
Boat name: Isabella / Cool Runnings II / Bella / Sea Pup / Sea Dog / Speedy II / Bernico F3
Boat make: Colvic 35 Suncruiser / Bernico F3 / Phantom 16 / Zodiac 420 YL / RIB / Apollo 9
Engines: 2 x Perkins Sabre 225ti / Mercury Pro XS /Mercury Pro XS 115/ Tohatsu 2.5 / Mercury 25 / Mercury 50
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Quote:
Originally Posted by Ring Owner View Post
I have just taken delivery of a 21ft Ring - the hull is untreated white gel coat but this has discoloured in some area where water has been sitting for prolonged periods. I managed to polish out a lot of these areas but was just wondering how affective the 'brick cleaner' mentioned above would be on getting rid of the real stubborn stains.

Can anyone give me any information on this results I can expect to achieve or any other methods for removing these water stains

Thanx
It will get all of it off, the strong stuff from B&Q i use a soft long handle broom to put it on leave a few mins then brush the more stubborn stuff then hose off. wet the trailer first and wear gloves / eye protection.
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Old 04-06-2014, 09:58 PM   #6
Dave
 
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Country: UK
Location: Scotland
Occupation: Offshore Seismic Surveyor
Interests: Boats of any shape or size
Boat name: Miss-T
Boat make: Ring 21B
Engines: 200 XR2
Cruising area: Loch Earn

Join Date: Feb 2006
Location: Scotland
Posts: 239
Quote:
Originally Posted by Silversurfer View Post
It will get all of it off, the strong stuff from B&Q i use a soft long handle broom to put it on leave a few mins then brush the more stubborn stuff then hose off. wet the trailer first and wear gloves / eye protection.
Thanks for that,I'll give it a go when I get back onshore. One of the main marks is on the bow so pretty obvious, if I can shift that I would be more than happy.
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Old 07-06-2014, 10:53 AM   #7
den
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Thumbs up Stains

try acetone for the stubborn ones
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Old 08-06-2014, 12:13 PM   #8
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there is this gel stuff we use at work, brush it on and leave it for a while them wash off. its brilliant. i will find the name of it.
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Old 08-06-2014, 03:08 PM   #9
Dave
 
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Country: UK
Location: Scotland
Occupation: Offshore Seismic Surveyor
Interests: Boats of any shape or size
Boat name: Miss-T
Boat make: Ring 21B
Engines: 200 XR2
Cruising area: Loch Earn

Join Date: Feb 2006
Location: Scotland
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Quote:
Originally Posted by Renegade View Post
there is this gel stuff we use at work, brush it on and leave it for a while them wash off. its brilliant. i will find the name of it.
Thanks, that would be appreciated
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Old 09-06-2014, 09:28 AM   #10
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Country: UK
Location: milford on sea/keyhaven.
Occupation: charter skiper
Interests: boats,fishing,shooting,bikes.
Boat make: forgecraft, cobra RIB,cat,scorcerer,ring,driver,phantom,bristol.
Cruising area: solent/needles

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Location: milford on sea/keyhaven.
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Team decking renovator (the green stuff) from Wessex chemicals,I've used it for years and nothing comes close,spray on hull watch hull turn pure white and just rinse off,Wessex chemicals deliver,you will only need a litre as it needs to be diluted.
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Old 09-06-2014, 09:40 AM   #11
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Country: UK
Location: milford on sea/keyhaven.
Occupation: charter skiper
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Boat make: forgecraft, cobra RIB,cat,scorcerer,ring,driver,phantom,bristol.
Cruising area: solent/needles

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Teak decking renovator !
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Old 09-06-2014, 04:16 PM   #12
Dave
 
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Country: UK
Location: Scotland
Occupation: Offshore Seismic Surveyor
Interests: Boats of any shape or size
Boat name: Miss-T
Boat make: Ring 21B
Engines: 200 XR2
Cruising area: Loch Earn

Join Date: Feb 2006
Location: Scotland
Posts: 239
Quote:
Originally Posted by nickskip View Post
Team decking renovator (the green stuff) from Wessex chemicals,I've used it for years and nothing comes close,spray on hull watch hull turn pure white and just rinse off,Wessex chemicals deliver,you will only need a litre as it needs to be diluted.
Thanks, will get some organised and give the old girl a good scrub.
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