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What Grit Should Be Used on Aqua Base?
Updated: 15.07.2026
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Often P40–P80 depending on the unevenness and the desired smoothing.
Detailed answer
Aqua Base is not sanded to achieve a perfect gloss, but to remove edges, peaks, and trowel marks. Usually, a grit of P40–P80 is used depending on the unevenness. Diamond pads work well as they create a cleaner, more even surface. After sanding, thorough dust vacuuming must follow.
Common mistakes
- applying a thick layer instead of a thin, grain-sized layer
- sanding without thoroughly vacuuming the dust
- rushing between layers and not allowing proper drying time
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