seeking advice on iso pucks /stands or similair that won't stain speakers?

I bought the Isoacoustics Gaia feet for my speakers.  They screw into the same holes as the spikes did.

They made a HUGE difference!

I also installed the Iso Acoustics Gaia feet on my Legacy Audio Signature SE  speakers,  and noticed a significant improvement. 

if you really want to take it to the ultimate level to improve your speakers sound get the Townshend podiums, as good as the ISO acoustic Gaia are the Townshend podiums are on a whole different level better if you look at the write-ups on audiogon People that have tried both have said the same thing that as good as the ISO acoustic guys are the township podiums are on a whole different level better.

not so much concerned around isolation but rather staining

I've seen finishes stained black instantly by some of these products