crud removal; what the power washer missed

G

glennrow

Petty Officer 3rd Class
Joined
Jul 10, 2006
Messages
89
im going to bottom paint my boat for the first time. but i need to remove the alge growth from last season that the power washer could not remove...i scrubbed like a sun of a gun with minumal progress using scotch brite pads and soft scrub ( if i continued the same method, i should be ready to launch by mid july ) can anyone reccomend a product to remove crud. thanks in advance
 
erikgreen

erikgreen

Captain
Joined
Jan 8, 2007
Messages
3,105
Re: crud removal; what the power washer missed

Power scrubber with a scouring pad disk... I got one that does sanding, polishing, and scrubbing with a 9 inch disk at harbor freight for $30.

Erik
 
G

gcboat

Lieutenant Commander
Joined
May 29, 2007
Messages
1,822
Re: crud removal; what the power washer missed

You'll probably be better off just doing an acid wash on the bottom. Go to WM or any other boat store and pick up a quart of On & Off. Made by a company called Mary Kate. Don' let the feminine name mislead you - this is some pretty serious stuff. Skin protection is mandatory. Get an acid brush, attach it to a pole ( wood ) and just put it on. Do not let it dry on the hull !!! A small section of maybe four square feet is very manageable. Let it sit for a few minutes, scrub a bit and rinse. It is fiberglass and gel coat safe so no worries there. The fumes are noxious so stay upwind of your project. It does work.
 
G

glennrow

Petty Officer 3rd Class
Joined
Jul 10, 2006
Messages
89
Re: crud removal; what the power washer missed

thanks guys, im off to west marine now.....finally a trip there for less then $100.00 :)
 
erikgreen

erikgreen

Captain
Joined
Jan 8, 2007
Messages
3,105
Re: crud removal; what the power washer missed

Never happen.... "Hey, I need this! And this too!.... as long as I'm here I'll pick up one of these, they're cheap...."
 
T

TriadSteeler

Petty Officer 1st Class
Joined
Oct 26, 2006
Messages
237
Re: crud removal; what the power washer missed

erikgreen said:
Never happen.... "Hey, I need this! And this too!.... as long as I'm here I'll pick up one of these, they're cheap...."
Click to expand...

No kidding. I went to Boaters World last week to pick up a windshield latch to hold the center section down. They are about 5 bucks. I spent $140.

The admiral was not pleased.
 
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