Getting mold or mildew off old record jackets

Water will not kill mildew and will even help it grow. It may look like the mildew is gone but it will more than likely come back. Lysol may work but not as well as bleach. I'm not saying that it can't damage the jacket but if you are careful it shouldn't. Start with a mild solution in an inconspicuous spot. A white area is a good place to start and only dampen the area. Do not saturate it.

Albert, great and useful post ( as usual ). Only one problem though. You'll have to refer to these tricks as just your "weapons" now instead of your "secret weapons". Going public removes the "secret" aspect of it. That is, unless we on Audiogon are supposed to keep these things "under our hats" ??? If that's the case, these tricks have now become OUR "secret" weapons : ) Sean
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My own opinions about the nature of mildew: It's my experience that once the record and jacket are removed from the cellar they likely came from, and stored thenceforth in a normally climate controlled environment, mildew will not grow anymore or spread to anything else near or touching it. This is why you never see mildew anywhere else in a house other than a damp basement or in between the tiles in the bathroom - if moisture is not present, it will not form or grow, and in fact dies. I have bought records (and other items) that were mildewed and put them into climate controlled storage for quite a while before taking them out and cleaning them, and it has never grown or spread in the meantime, and fact was always better than it was when I first got the item, because it was dead. Chemical agents to "kill" mildew on a record or jacket are overkill, IMHO. Physically removing it is what you need to do. Once it has been wiped, scrubbed, rinsed, whatever you prefer to do, away from the surface and put in a dry environment, it won't be back. Applying a moistened towel to aid in physically cleaning it from the surface, and then drying afterward will not cause it to experience a "growth spurt". The reason folks use bleach in cleaning the bathroom tile isn't to kill the mildew (although it will do that) so it can then be removed - scrubbing will also do that by itself, and besides it will soon grow again in that environment - it's done to literally bleach out the color of the stain it makes when it grows into the grouting and leave it white, which is something I don't want to do to a record jacket. If the bleach solution someone is using on their jackets is so dilute that it doesn't bleach the image, then it's not doing anything about the mildew either - it's the moistened wiping that's doing it. I know there is also a product for cleaning vinyl records that purports to work better than other solvents because it "kills" microscopic fungi supposedly thriving in the grooves of all our records; this is also not the case, IMHO. If this was so, none of my "clean" 40-year old records could possibly exist - they would be overrun with mildew by now, instead of looking about as shiny as the day they were made. OTOH, Albert's suggestions are very interesting to me, not because they might kill mildew, but because they might be valuable ways to dissolve more gunk (including mildew) from jackets without harming the paper or ink.

Since I suggested using bleach(clorine)for cleaning record jackets, I thought I should try it myself. So I took two old record jackets that were well worn and sprayed them both with the same water and bleach solution that I use to clean the bathroom. I don't recommend spraying them like I did but I wanted to really see what would happen. I sprayed a glossy jacket first and wiped it off with toilet paper then I did the same with a porous jacket. As a matter of fact, the white parts of the porous jacket that had yellowed over the years looks much whiter now and it did not affect the red and black ink. Remember ink is not the same as the dye in clothes.
Don't forget, most of us drink and bathe in this stuff everyday.

Rwear, see if the same thing happens if you spray with water and wipe. Or alcohol in solution. Or ammonia in solution. (This is what's known as a controlled experiment.) It's the elbow grease that's important, along with the universal solvent, H2O. If the bleach had been concentrated enough, and left on long enough, to cause the whitening you saw, then the colors would have been faded to a similar degree. You simply dissolved, suspended, and absorbed some of the accumulated scum. This will almost always clean the jacket effectively enough for government work. Again I reiterate that is not necessary to also try and "kill" mildew if present, which obviates the "need" to play with bleach. I find it a little surprising, though maybe that is naive on my part, that you would have posted twice on this subject disagreeing with me (your perfect right, BTW) and promoting your bleach regimen instead, when you apparently had no prior experience doing this procedure. I admire your eventual forthrightness about this, but question your impulsiveness OTOH. Everybody is entitled to their opinion, no matter what their experience level, but it's wise and honest to make clear exactly what is opinion and what is known. And in that spirit, let me make it crystal clear that every opinion I have expressed above about the use of effectively significant concentrations and quantities of chlorine bleach in the aid of cleaning record jackets is based on everyday common sense and life experience with its use on items *other* than record jackets, because I am not crazy enough to use my collection to carry the experiment you detail above to its meaningful and logical conclusion (nor have I had the need to)! Cheers, Z.