I got 127 records from the mid 40, 50 and early 60s that need a lot of cleaning

I've only had half a dozen, or so, vinyl LP's with mold (rare ones that I wanted to save) and used copious amounts of isopropyl alcohol (letting it set for 10-15 minutes before rinsing with warm tap water and then repeating the process).

Afterwards I cleaned as I usually do (by hand).

I use a clamp on label saver (forget the name) which allows me to really WET things up.

I do use warm filtered water for the rinsing process, along with a DIY cleaning solution that contains approx. 10%  isopropyl alcohol/filtered water/Dawn dish detergent.

Seemed to work as the Lp's were fine/mold free for years afterwards.

Isopropyl alcohol is said to leach plasticizers from the vinyl (not a good thing), but it worked.

Unfortunately, I tossed the jackets/sleeves as they were beyond saving.

The albums you mention seem to be less contaminated that the ones I dealt with.

DeKay

@noromance so pray the mold cleaner, rinse, and use any record cleaner to the ultrasonic and rinse again. correct?

I think no alcohol, because they are very old

@dekay I want to avoid alcohol because there might be quite a few that are either acetate and lacard(?)

What concentrates do you use in the Ultrasonic?

Iso ONLY on vinyl.

Don't know what to use (regarding mold) on shellac coatings et cetera.

There was a recent thread in which care of the older materials used was addressed (not mold though) that I'll look for (think I posted to it).

Will do so later tonight, or tomorrow, as I have to get dinner going.

I've read about using UV light, but most non-commercial UV devices are not up to snuff from what I gather.

Dekay

Spin clean works well and won’t break the bank. You just need to have enough drying clothes around. Could do that number of records in a few days easily.