How effective is the Onzow Zerodust?

I use it on every play, then once a month or so, I do the disk doctor liquid.

thanks for asking this, I was considering the zerodust after Disc Doctor liquid dissolved the finish on the front of my Grado wood-bodied cartridge.

Zero-dust is good for taking schmutz off the stylus, but its not a substitute for a good periodic wet cleaning.

My 2 bits :Careful use of the ME should be mandatory. No other stylus cleaning regimen comes even remotely close.IMHO the Zero is a useful adjunct to a ME based routine. I use the ME for every play and occasionally the Zero. What the Zero does is remove micro strands that otherwise remain. On a standalone basis would not recommend the Zero, YMMV. A small LED torch and a 10x glass are more than useful for gauging stylus cleanliness.
Cheers

For the discriminated Analog Listener

Audio Technica AT 637

Try to get one, really good