What micron size Gunny Juice should I buy?

Does anyone have any experience with this brand? : r/sharpening

Interview Series - Scott Gunn - Gunny Juice Products and more

Stropping! Mono vs poly diamond abrasives.

What micron size Gunny Juice should I buy?

Gunny Juice Polycrystalline Diamond Emulsion - 30ml - 3 Micron - DLT Trading

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Gunny Juice 10 ML Polycrystalline Diamond Emulsion - 0.25 Micron - REC

Gunny Juice: Applying and stropping