What's the best way to clean vinyl records?


I'am getting into vinyl and have been reading about cleaning records with everything form soap and water,Wendix, expensive cleaners at $250, spin machines to machines that coast over $5000. I have about 300 to 400 records from the 70s they all need care. I'am looking for a safe way to clean records,not at a coast that doesn't make sense. What are your suggestions.
h20wings
To Ebuzz: once i am able to effectively clean a record, I don't see a need to repeatedly re-clean it. In fact, as Doug pointed out, leaving any fluid/residue on the record- a risk in cleaning- makes things far worse than just leaving the record alone. So, I avoid recleaning at this point as a matter of routine, but as my cleaning methods have improved, I have recleaned a number of records- some which I thought were irretrievably compromised by groove damage were in fact contaminated by a combination of ground-in pollutants, and glued firmly into place by tar from cigarettes, previous record cleaning by earlier owners (I buy mostly older pressings), etc.
The most effective 'cheap' solution I have found is AIVS No. 15 -agitate, soak, vacuum, followed by lab water/vacuum. (A VPI 16.5 will do yeoman's work here and is effective).
I've been using a lot of different methods lately, and multiple steps/approaches yield improvements for compromised records. Currently using the big Monks and the KL with reagent water. Cleaning fluids on the Monks vary, depending on a variety of factors.
Doug, have you tried Syntax's 'reverse clean' (my term, not his) ? Ultrasonic wash, then plopping on the Monks for a point nozzle dry? Extremely effective on problem records.
(Aren't there 583 different threads on this topic?)

Call Disc Doctor (see his web site) and ask someone who has been studying this for years. He'll probably suggest some kind of vacuum record cleaning machine and he'll fix you up with the proper kind of cleaner to address your needs.

And yes, he is in business to make money. But he wouldn't have lasted all these years if he was producing an inferior product or giving bad advice.
BPoletti- yes, probably more. But, I think you'll agree, that there are
probably that many different methods, approaches and favorite machines,
fluids and different combinations of steps or sequences. I never used the
DiscDoctor, from what I gather, it requires multiple rinses, and several
plays, according to the manufacturer (at least with the Miracle Cleaner, not
the one-step) , before optimal results are achieved.
In the fluid world, I have used enzymes (from Walker as well as AIVS,
which cut my work time in 1/2), along with a variety of other fluids I'm
playing with now (Monks, the TM-8 reboot of the old Torumat, and Hannl,
among others). Everybody seems to have their favorite. I have found the
enzyme cleaners to be very effective if followed by a pure water rinse.
I've used Miracle Record Cleaner for years. No second rinse.

I don't agree that there are multiple "best" methods of record cleaning. There are only alternatives which are of varying effectiveness. My preference is to apply chemical solution to the kinds of dirt that would be in the grooves.
B Poletti, when you say 'no second rinse,' I take that to mean you are doing a rinse step with water after the DD, just not multiple rinse steps, right?