Compare TidalFit Swim Spa Models:
EP-12 | ActivePlus Bench | ActivePlus Swim | EP-14 Bench | EP-14 WaVS |Core Swimmer WaVS | EP-15 WaVS
Dual Temp Models:
DT-19 | DT-21 | DTL-6 | DTL-8
TidalFit DT-21 Dual Temp FitSpa Overview
The TidalFit DT-21 Dual Temp FitSpa is designed for buyers who want the biggest dual-temp experience in the line. It pairs a long exercise pool with a separate 8 ft luxury spa section, giving you more room for swimming, more room for soaking, and more flexibility for households with different priorities. If you want one backyard unit that can cover fitness, relaxation, and year-round hydrotherapy at a higher level, the DT-21 is a premium dual-temp option worth serious consideration.
Key Features
- Large dual temp layout with separate swim and spa sections
- 13 ft exercise pool plus 8 ft luxury spa side
- 4 swim jets on the pool side
- 45 or 61 spa-side jet configurations
- Built for households that want the most complete dual-temp experience
Specifications
Dimensions: 250″ x 91″ x 54″ Seating: Swim area plus luxury spa side Jets: 4 swim jets + 45 or 61 spa jets Capacity: 1,640 gallons pool side + 430 gallons spa side Dry Weight: 2,250 lbs pool side + 947 lbs spa side Electrical Requirement: 240V, GFCI-protected service by a licensed electrician Pumps: Standard Quad Swim or upgrade True Variable Speed on pool side; dedicated spa-side hydrotherapy pumps
TidalFit True Variable Speed System
Want to see how TidalFit approaches swim performance and control? Watch the official TidalFit True Variable Speed System video below:
Standard Features
- spaTouch Topside Control: Color touchscreen panel, WiFi ready (module required), multi-language interface
- Heater: 5.5 kW (North America)
- Hi-Flo Circulation System
- Full Foam Insulation with ABS Bottom
- Maintenance-Free Cabinet
- Vinyl Cover Included
- Blue LED Lighting
- Grab Rails: (3) included on pool side
- Non-Slip Foam Steps
Available Upgrades & Options
Swim System Options
- Standard Quad Swim Jet System: (4) 6″ swim jets with fixed-speed swim pumps and speed control
- Upgrade True Variable Speed System: Smoother and more adjustable resistance with variable speed control
Spa Side Options
- Hydrotherapy Configurations: spa-side jet packages vary by model
- DynaBrite LED / Tranquility Fall: available on select spa-side configurations
Lighting Options
- DynaBrite LED / DynaBrite Max LED: multiple lighting zones including swim jets and water features on select models
- Multicolor LED Lighting
Water Care Options
- Diamond AOP™ System
- Crystal ProPure™ Ozone Mixing Chamber
- Ozonator
Audio & Entertainment
- Bluetooth® Music System: AM/FM, USB, auxiliary input, speakers & subwoofer
- bba™2 Audio: fully integrated Bluetooth streaming system
- Optional patio speakers
Fitness & Training Accessories
- Stationary Resistance Swim System
- Rowing Bars & Resistance Cords
Convenience & Setup
- WiFi App Module: control your swim spa remotely
- All Seasons Cover
- Cover Lifters: manual or hydraulic
- 5-Step Entry System (above-ground installations)
Acrylic, Cabinet & Cover Color Options
Acrylic Shell Color Option

Silver Marble is the standard acrylic shell color for TidalFit swim spa models.
Cabinet Color Options



Cover Color Options




TidalFit DT-21 FAQs
What makes the DT-21 different from the DT-19?
Can I control the swim side and spa side separately?
Who is this model best for?
What kind of electrical planning does this model require?
How much delivery and placement room is needed?
Is maintenance more involved on a dual temp system?
Check Warehouse Availability & Delivery Timing
Warranty Coverage
View full manufacturer warranty details on the Artesian Spas website.
- Lifetime Structure
- 7-Year Surface
- 5-Year Parts, Labor, Plumbing & Electrical
- 2-Year Cabinet & Cover
*Manufacturer reserves the right to make production changes without notice. **For deferred interest plans, interest accrues during the promotional period and is shown on the bill, but all interest is waived if the purchase amount is paid in full before the end of the promotional period. ***Fixed rate 9.99%–22.99% APR for 120 months OAC. Sales tax is included in the monthly payment estimate.





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