Before and after pics using Scholl Concepts Heavy Cutting Compound

VintageRestore

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Got Some More Time in Today with the Rotary + Scholl S3 XXL Gold – Surprising Results

Wanted to get more seat time today with my new flex rotary — working on both technique and testing out Scholl Concepts S3 XXL Gold, their heavy-cut compound (very similar to Menzerna 300 in aggressiveness).

There’s a well-known YouTuber who’s adamant about rotary technique:

“Always use the slowest speed and absolutely no pressure — no exceptions — or you’ll end up with swirls and other issues.”

That advice is drilled in across all his videos. He also goes so far as to say rotaries should only have two speeds - a slow speed and a fast speed for drying the pads and nothing else. But I also went straight to the source — Scholl Concepts themselves — and found a very different approach. They actually recommend:

  • Speed 4 (around 1500 RPM) with medium pressure for the first couple of passes
  • Then Speed 3 (1200 RPM) with light pressure
  • And finally, one last pass at Speed 1 (slowest speed) with no pressure
They explain this works best with their stepped diminishing abrasive formula.

So, I ran both methods:

🔹 Method 1: Slowest speed only (per YouTuber's guidance)​

  • Used blue Scholl spider pad (medium aggressiveness)
  • Result: Meh. Didn’t cut nearly as well as expected. Finish was OK, but didn’t feel like I got what I should’ve from a heavy compound.

🔹 Method 2: Scholl’s recommended method (pics attached of this method)​

  • Speed 4 w/ medium pressure → Speed 3 w/ light pressure → Speed 1 final pass
  • Same blue spider pad
  • Result: Stunning. Way more clarity and dare I say one-step results? Way better finish than I ever got from Menzerna FG300 with as much or more cutting power as(depending on pad choice) — and this is before even touching it with their fine polish!
📸 I’ve uploaded before/after pics for reference. Keep in mind — this is just the heavy cutting stage, no finishing polish yet.

Today was more about trying the competing rotary technique than seeing what Scholl's could do. While I agreed with the videos in concept that over use of speeds and such can cause as many issues is they fix (having, swirls, etc) I was finding it hard to accept the unequivocal absolutest approach. I will say I found his suggestions on how to hold the rotary helpful.

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