how to use muric acid effectively

[turbochardged]

i'm tring to clean a gas tank and i don't know how to use muric acid to clean it

[StarGate]

Very carefully!!! In full strength form it will dissolve metal at a pretty rapid pace. Once heard about a wife, angry that here husband had and affair, decided to punch a small hole in the bottom of a gallon jug and place it on the roof of his car one night. The next morning the jug was laying on the ground under the car. Get an old soup can and pour some in and watch what happens.

[fmnnc]

You might want to consider using this stuff:



Located at Gas Tank Sealer - Large Motorcycle Tank Sealer Kit - Better then Kreem - KBS Coatings

This kit contains AquaKlean (a water-based, heavy-duty, cleaner/degreaser) and KBS RustBlast (a powerful rust remover/metal etch) to obtain a permanently sealed, rust-free fuel tank. These KBS prep products are formulated with a unique Oxygen-Block Technology which reduces the occurrence of flash rust by over 80% and extends rust-free storage times by leaving a temporary protective coating in addition to a zinc phosphate film.

There are others but I have personally used this kit and have not looked back. If you follow the directions the inside will look like new. It did not hurt my paint and is much safer than the acid. That acid is nasty stuff and would only use as a last resort.

[RichLockyer]

+1

AND, full strength, it will release some pretty noxious fumes that'll have you feeling like you're in the gas chamber.

[QKENUF4U]

theres good and bad to it. i personally wouldnt use it. ive used KREEM (all 3 parts a couple times and just the acid a couple times) and ive heard nthing but good about POR 15 tank treatment.

this will tell ya more about your way.......

muric acid to clean fuel tank - Google Search

[AndrewWoodard]

Hi, All!

I gather you actually mean muriatic acid? Aside from hearing it's use in cleaning ecthed ceramic (like toilet bowls), I've left it alone.

For the two rusted tanks I've recently dealt with (my KZ305 and a Honda CL100 I'm restoring), I started out with bead blasting the interiors. Granted, it was perfect, but it got most all the surface rust even deep insied the tank. I removed the petcock and locking tank cap in preparation.

The next step was to air hose them out thoroughly to get rid of anything loose still inside, including the plastic beads from the bead blaster.

The third step was to mask over the openings where the petcocks mounted, and put several cups of phosphoric acid solution inside the tanks and swish it around thoroughly for several minutes. Phosphoric acid still isn't something you want on your skin (or certainly in your eyes or mouth), but proper protection like gloves and a face shield provided the safety I was looking for. The phosphoric acid rinse neutralized any remaining rust to inactive base metal. After draining and rinsing both tanks, a light rinse with oil made them ready for reassembly and use.

I'm honestly not afmilier with any of the kits mentioned, but if they can effectively handle the problem, that may be a better way to go for you instead of having to get the materials and access to a bead blaster.

Thanks!

Andrew....

[Big Ed]

We use muratic acid at work.

Stay very far from it. This is some nasty stuff. Kill you kind of nasty.

[StarGate]

Originally Posted by AndrewWoodard

Hi, All!

I gather you actually mean muriatic acid?

Thats what I took it to be referring to. It also cuts/dissolves concrete and mortar so used properly, it will make a sloppy brick laying job look 10x better.

[OKC_Kent]

It's best to use something other than Muriatic acid.
I use any product containing Phosphoric Acid, like Naval Jelly, or certain Tile & Grout cleaners. Check your hardware store or Home Depot. Seal the openings with duct tape, pour in the bottle (you do not need to fill the whole tank) and drop in a length of chain, or a handful of nuts and bolts to break up the rust. Seal the top and shake it around checking until the tank is clean. Rinse it out good with water. Use a hair dryer in the top to dry it out and don't worry about the little flash rust that will happen. Swish it with light oil or fill with gas and it's good to go.

[rfb92345]

If you are bound and determined to use Muratic acid........make sure that after you are done playing, that you nuetralize it with a strong base solution.

[techy]

I've used 20% muriatic and rinsed with paint thinner.
I used small gravel with sand to break off scale first.
Cream last.

[86klf300guy]

i to had rust in my tanks but i did a way diferent repair than useing a chemical solution. i used metal b.bs that u use for a pellet gun i drop half a container in the tank after i removed the petcok and taped the hole up the i shook the tank for a while letting the b.bs hit the insides and then dumpped em out they were nasty rust color and the tank was cleaner then i did it agin with the rest of the b.bs with some denatured alcohol in with it to dry it up while cleaning it dumped out again and rinsed out with denatured alcohol let dry for a day then i mixed up some fibreglass resin with hardner and dumped in the tank to seal it up i swished it around the hole tank and dumped out the left overs let dry 1 day then did that step one more time and the tank was sealed from the inside removed the tape and chased the treads out for petcok due to a bit of the resin got on the threadsand i have not had rust come back now for over 2 years in my tanks that i have repaired hope this may be helpfull for some one that does not like harsh chemicals -corey

[RichLockyer]

Yup... that's called "tumbling" and is done all the time on scuba tanks.