Help me choose
A stronger Pool Express option
Dolphin Nautilus CC Plus and Dolphin T45 are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Quantum. Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
Nautilus
Dolphin Nautilus CC Plus
Inground and above-ground pools up to 50 ft that need floor and wall cleaning.
T-Line
Dolphin T45
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
What we recommend instead
Dolphin Quantum
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
$1,649
Buy Dolphin QuantumDolphin Nautilus CC Plus or Dolphin T45: our take
Dolphin Nautilus CC Plus and Dolphin T45 are compared on pool fit, cleaning reach, debris handling, controls and ownership details. The recommendation is based on the job the robot must do—not a simple feature count.
Pool fit and cleaning reach
Dolphin Nautilus CC Plus is intended for inground and above-ground pools, while Dolphin T45 is intended for inground pools. Both are rated for pools up to 50 ft. Dolphin Nautilus CC Plus cleans floor and walls; Dolphin T45 cleans floor, walls, and waterline. Dolphin Nautilus CC Plus lists 2 active brushes and CleverClean navigation. Dolphin T45 lists CleverClean navigation.
Filtration and debris
Dolphin Nautilus CC Plus includes Standard filter; Dolphin T45 includes Basket and UltraFilter. Dolphin T45 has the clearer documented edge for fine silt, pollen and sand. Dolphin T45 has the better documented path for bulky leaves and larger debris.
Controls and day-to-day ownership
Both models provide a weekly timer and smartphone control. Both use a 60 ft corded cable with an anti-tangle swivel.
Price, warranty and the decision
Dolphin Nautilus CC Plus is listed at $949 and Dolphin T45 at $1,499; Dolphin Nautilus CC Plus is $550 less. Dolphin Nautilus CC Plus lists a 2.5-year warranty compared with 2 years for Dolphin T45. Dolphin Nautilus CC Plus and Dolphin T45 each have a specific fit, but neither is the Pool Express pick for this job. Our better alternative is Dolphin Quantum. Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
Feature check: what each robot actually has
A green check means the feature is documented as included. A red X means it is documented as absent. A dash means the source does not make the feature clear.
| Feature | Dolphin Nautilus CC Plus | Dolphin T45 |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | Yes | Yes |
| Scrubs the waterline | No | YesEdge |
| Fine-debris filter included | No | YesEdge |
| Large-debris filter | No | YesEdge |
| Automatic scheduling | Yes | Yes |
| Smartphone app | Yes | Yes |
| Anti-tangle swivel | Yes | Yes |
| 3-year warranty | No | No |
| No recharging between cycles | Yes | Yes |
| Built-in UV-C water treatment | No | No |
Unknown is not treated as “no.” Specifications come from the product pages, current catalog records and manufacturer material collected for this site.
Where Dolphin Nautilus CC Plus stands out
Dolphin Nautilus CC Plus is the better fit for shoppers prioritizing the lower $949 starting price.
- Carries a 2.5-year warranty instead of 2 years
- Is listed $550 lower
Where Dolphin T45 stands out
Dolphin T45 is the better fit for inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Includes filtration for sand, pollen and other fine debris
- Includes a large-debris bin or bag for leaves
Dolphin Nautilus CC Plus vs Dolphin T45 specifications
Use pool fit first. Price and app control do not make up for a robot that cannot cover the length or surfaces you need cleaned.
| Specification | Dolphin Nautilus CC Plus | Dolphin T45 |
|---|---|---|
| Best fit | Inground and above-ground pools up to 50 ft that need floor and wall cleaning. | Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris. |
| Starting price | $949 | $1,499 |
| Pool type | Inground, Above-ground | Inground |
| Maximum pool length | Up to 50 ft | Up to 50 ft |
| Cleaning coverage | Floor, Walls | Floor, Walls, Waterline |
| Power | Corded | Corded |
| Filtration | Standard filter | Basket, UltraFilter |
| Scheduling | Weekly schedule + app | Weekly schedule + app |
| App and remote | App control | App control |
| Cable | 60 ft with anti-tangle swivel | 60 ft with anti-tangle swivel |
| Robot weight | 20 lb | Not listed |
| Warranty | 2.5 years | 2 years |
Consider the stronger Pool Express option
Dolphin Nautilus CC Plus and Dolphin T45 are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Quantum. Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.
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