I would not apply groove glide unless you have a rather crakley, or extra noisey album.. It then can help a lot to get the one not so perfect surface noise to reduce and sometimes eliminate, many times applying it will just make the album bearable to listen. With good albums that have little issue, a good solid cleaning with distilled rinse is the best for it and normally the best sounding, then leave the groove glide alone unless you must go into battle with a more nasty contender, it can work, and sometimes it can't help enough, but for the 25 bucks or whatever it is it could be good to have some on hand, again I would not go treating every album if they already sound nearly perfect.
Gruv Glide. How many use it?
I have been using it for years. Mostly before I bought a cleaning machine 5 years ago. I thought it worked before I had a cleaning machine. Then after I heard how good a cleaned record sounds I think the Gruv Glide muddled the sound. What do you think?