Choose for the Finish, Not Just the Shell
Gunite and shotcrete shells are commonly covered by plaster, pebble, tile, or another finish. That exposed material determines which brush is appropriate and how much traction a robot can develop. A textured finish can retain algae and fine debris, but bonded scale and established staining require water-balance or finish-specific treatment.
We sort through pool size, debris, coverage, filters, and everyday upkeep so you can spend less time researching and more time swimming.
Compare the Shortlist
The Premier offers multiple debris-media choices, the current Quantum adds app controls and a large top-load basket, and the Sigma adds gyroscope navigation and a triple-motor configuration. Compare those capabilities with the actual finish, pool dimensions, and debris rather than treating “gunite” as a universal compatibility rating. Very large or high-use facilities should start with the commercial line and its published duty guidance.
Gunite Maintenance Notes
- A weekly timer can support consistent debris removal, but circulation, sanitizer, and water balance still control algae.
- Waterline cleaning helps with routine loose residue; it does not remove every calcium deposit.
- Rough finishes can increase brush and track wear, so inspect moving parts at the interval in the manual and replace them when needed.
Watch the first cycle around drains, benches, transitions, and rough repairs. If you know the finish, use the linked surface guide for more specific pros and cons.
