Paul_in_nottingham said:
I've done this. I actually have several stacks of records I still need to do.
I've used a recipie off the Internet, I'll try and find it, but in short it was water (de-ironised if possible - use the stuff from your tumble dryer), a splash of washing up liquid and a capful of white vinegar. Worked a treat!
I'd be worried about using any amount of washing-up liquid. It contains salts and solids which you wouldn't want on the records (which is why you're using de-ionised water - although proper distilled water would be better as the minerals stay behind during the distillation process).
If "they" recommend not using washing-up liquid to wash cars (because the salts damage the paint surface) would you really want it on your records?
Try adding a wetting agent around 1% of your mix (you can use the type sometimes used by gardeners, or the Ilford or Kodak stuff). It reduces the surface tension of the water, which allows the mix to get further into the groove.
It's not that expensive off fleaBay.
Also near pure lab alcohol (Isopropyl / Isopropanol) 99% or 99.9%, added to the mix will make it dry faster. The "experts" suggest not using 70% rubbing alcohol (which is around 30% water), probably because you're not in control of the water.
The alcohol is used, in the mix, because it dissolves fats and oils (i.e. the grease from fingers because hardly anyone holds records properly).
I suppose it's down to choice, and what you're playing them on, as to whether you wash them at all, use a virtually free mix (only having to pay maybe £5 for some de-ionised water from Halfords), or use a alcohol/distilled water/wetting agent mix (which costs around £5 a litre to make at home, or around £20+ a litre if you buy ready-made branded stuff).
I've done the £20+ one (works out expensive in the long run as it's around 20-25% alcohol it keeps evaporating away), wouldn't do the soap and water thing, so I thought I'd try a home-mix approximating the £20 bought stuff (minus whatever perfume they shove in it, so it doesn't smell like a chemistry lab).