Zep a lume where to buy

Post by Chaps » Sun Sep 20, am. Post by MacGyver » Sat Sep 26, pm. Post by kmorin » Sat Sep 26, pm. Post by kmorin » Sun Sep 27, pm. Post by kmorin » Mon Sep 28, am. Post by kmorin » Sun Nov 01, pm. Post by kmorin » Tue Nov 03, pm. Post by kmorin » Thu Nov 05, pm. Quick links. Acid Etch with Zep a Lume General boating discussion.

I have used NAPA's aluminum brightener - it works well but only after repeated applications. I just purchased a gallon of Zep a Lume which has a considerably stronger concentration to remove mill scale after one application, based on comments in earlier posts. My question is should the Zep a Lume be diluted before spraying on the boat, or should I simply spray undiluted? Also, how long should the zep be left on before hosing off with water?

I apologize if this question has already been addressed in earlier posts. Many thanks. Re: Acid Etch with Zep a Lume Post by kmorin » Sat Sep 19, pm AK7, acid works in part depending on how warm it is and the metal it cleans and how concentrated it is. If you dilute you'll be back to the Napa cleaner's probably effects- do it five or six times to get the Zep concentrated results. If you heat the boat, warm day in the sun, OR a weed burner till the 'dew runs' off the heated area?

So this is a series of related rates where the concentrated acid in the warmest conditions will clean the most in the shortest time and the cooler more dilute solution will be more like the weaker solution you've already used. Notice a cold hose wash down will chill the boat so heating again is normal if you want the most from your Zep dollar? The foaming time will vary with temperature of the acid and metal -warm acid foams up quicker and longer than cold metal and acid; I use the foam as my rinse time indicator.

All that can happen is you'll need to do it again because the days are so cold you get a minimal acidic etch action of the metal's surface. The conditions can be tested however but etching test patches to show you what your conditions need to get your results. Hope that helps? Cheers, Kevin Morin Kenai.

Last edited by kmorin on Sat Sep 19, pm, edited 1 time in total. Reason: forgot a point; added time remarks. I can finish the outside hull and parts of the back cockpit that are showing, but will need to pull floor boards this winter to determine how much more etching will be needed. I may need to pull carpet - yes, what a mess. Some of these boat builders should know better You are a host of outstanding knowledge - I just read your older comments regarding placing a single ground off the battery to the hull.

In addition to the flowering, I also have several areas of pitting - and precisely, due to painted back swim step, painted Honda outboard motor, and protected bolts through the transom.

Next project is to establish a single ground to the hull. Re: Acid Etch with Zep a Lume Post by kmorin » Sun Sep 20, am AK7, I know that lots of builders are not aware of the correct design, care and treatment of the metal boats they build!!

I've had more than enough soap box posts here to show my frustrations in that area of boat knowledge. However once an owner gets his boat he can begin to correct the short comings and 'doll her up' and then the welded boat will last a long time. Glad to help, please remember that we all think the only poor question is one not asked. I will clean - I don't want to do this process once let alone twice.

This area is generally never dry. I acid etched this area several times with very high concentrations of zep. I even pre-heated the locker and still no further removal. I think the best way forward is to start sanding or buffing the corrosion out, starting with somewhat course grade and working to increasingly higher grades. Any other thoughts on how to remove the remaining corrosion?

You do not have the required permissions to view the files attached to this post. It might be something that would solve problem before you paint. Re: Acid Etch with Zep a Lume Post by kmorin » Sat Sep 26, pm AK7, I'd say the acid had the mill scale and the corrosion pits cleaned out and the rinse water likely took any remaining corrosion components out the drain too? If you're curious and want to test the pits, wet the bottom with a spray or water and let them stay wet overnight. B00SYWG into the pits while they're still wet in the bottom to learn if they're still acidic or more neutral.

If you want to convert the cleaned surface to a more durable oxide like Chromium Oxide then use an allodyne solution after a brief re-etch and rinse- adding allodyne when the surface is still completely covered with rinse water so the air can't get to the surface to form aluminum oxide before the chrome is introduced. Or you can use a self-etching primer paint and top coat with some epoxy or coal tar bilge paint.

Its kind of important to keep in mind the acid etch Zep or others only effects the very top one or two molecules and is then rinsed off diluting the acid to near neutral ph and removing its ability to continue to react with the metal.

So deep pits left from previous corrosion would always have to be treated with mechanical means; sanding or grinding or filled by welding. The pitting, although numerous, are not deep. I think I'll start with a DA sander at grit and work my way up, ending at , followed by buffing with scotch brite.

I will plan to do the entire locker. Once done, I'll briefly re-zep and then let oxidize and hopefully should be good for the duration. Not sure why it needs a polish? IF you were discussing a outside panel and were going for some super high gloss yacht finish? I might say the grits are apropos?

But to clean some pits off the fishhold? Even Blue or 'fine' ScotchBrite tm pads aren't grit! The rough stuff, Brown, is probably or maybe a bit more aggressive? Maroon, middle grit is rougher than and Blue is probably only or maybe ? Any advantages of using wet vs. I'd say get the brown or maroon 3M ScotchBrite tm hook and loop pad and see how much it takes to get the swirl pattern to show evening on the surface indication the tracks are cut deeper than the pits?

Last edited by kmorin on Mon Sep 28, am, edited 1 time in total. Reason: typo's. Appreciate your help. Seller information heavydutytrucktrailer Contact seller.

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