Master Spas · Clarity Spas

Master Spas Balance 8 hot tub

Five seats, one of them a lounger you lie back in. Suits a couple or a small family.

  • Seats: 5 seats
  • Lounger: Lounger
  • Size: 7′ 10″ × 7′ 10″
  • Power: 240V, 50 A
$12,999Reported priceOct 2026What it costs

Free. Your price range, then one dealer near you.

Sit in it. 5 seats, one lounger.

7′ 10″ (94″)7′ 10″ (94″)5′9″ adult
To scale, from Master Spas’ published size, beside a 5′9″ adult.
Lounger
Yes, oneLie in it at the showroom: if your feet don’t reach the end, you’ll float.
Comfort
Neck and shoulder jets
Size
7′ 10″ × 7′ 10″, 36″ tall
Water
400 gallons
Weight
5,195 lb full of waterAbout 2.6 tons (930 lb empty). 85 lb per square foot: more than the 40 an ordinary deck is built for, so a deck needs a builder's check.

What it costs.

Price

$12,999Reported priceOct 2026

Price detail

To keep it hot

About $27 a month

Standby in California’s test, at the US average 18.19¢ per kWh. Heating fresh water and using the jets add to it.

Running costs by state

Wiring

A 240V circuit

An electrician’s hookup: $600 to $2,200 or more, by Jacuzzi’s planning guide.

Every set-up cost

What owners say.

From owner reviews and forums across Master Spas tubs, not just this model.

Owners like

  • Strong ratings on the brand's own review system
  • Hydrotherapy, jet power and insulation praised by satisfied owners
  • The tub itself satisfies even when a component disappoints

Owners complain about

  • Warranty service coordination and slow dealer-mediated repairs
  • Topside panel, keypad and circuit board failures
  • Pump failures, including on brand-new units
All themes, and complaint records

Owners like

  • Strong ratings on the brand's own review system. Across all 29 catalog hot tubs, Bazaarvoice reviews average 4.41 out of 5 over 3,989 reviews (weighted by review count), with 25 of 29 models at 4.2 or above.
  • Hydrotherapy, jet power and insulation praised by satisfied owners. Positive owners single out jet strength, insulation quality, the Wi-Fi control module and the audio system, and describe the spa as worth buying at the top of the option list.
  • The tub itself satisfies even when a component disappoints. Mixed reviews often rate the shell, seating and therapy well and save the complaint for one component, most often the cover, pillows or topside control.
  • Where the dealer is good, service is praised specifically. Dealer-run service produces both the worst complaints and the strongest praise: positive reviews name the dealer and the service tech rather than the manufacturer.
  • High sales and installation satisfaction on Houzz. 4.7 out of 5 across 743 reviews on the company's Fort Wayne Houzz profile.
  • Manufacturer responds publicly and substantively to complaints. Master Spas answers BBB reviews and complaints and has posted 233 company responses on its PissedConsumer page, frequently with specific warranty records and technical explanation rather than boilerplate.

Owners complain about

  • Warranty service coordination and slow dealer-mediated repairs. The single dominant complaint. Owners report warranty work stalling between Master Spas and the independent dealer assigned to service them, with repeated unreturned calls and weeks to months out of use. BBB categorized 18 of 20 published complaints as 'Service or Repair Issues'.
  • Topside panel, keypad and circuit board failures. Digital topside controls and main boards failing, including within days of delivery, plus a replacement panel that fogged internally and a wrong replacement panel shipped against a supplied serial number.
  • Pump failures, including on brand-new units. Jet pumps failing at or shortly after delivery and recurring after replacement.
  • Parts availability and long parts waits. Owners and at least one dealer report multi-month waits for parts, including backordered saltwater-system components.
  • High service-call and out-of-warranty repair costs, with one service provider per territory. Owners describe per-visit service pricing well above typical rates and no alternative authorized provider, because Master Spas assigns one servicing dealer per territory.
  • Pillows, headrests and cover foam degrading early. Pillows rotting or corroding within the first years, and cover foam inserts becoming waterlogged so the cover sags and pools rainwater.
  • Jet pressure not simultaneous across all seats. Owners expecting strong jets in every seat at once find that diverter valves concentrate pressure in two seats at a time.
  • Leaks at jet housings, o-rings and plumbing. Jet hardware working loose and leaks requiring owners to open up the cabinet or dig underneath.

Master Spas as a company

  • 4.1 of 5 on ConsumerAffairs from 1,476 reviews.
  • The Better Business Bureau lists 20 complaints in three years and rates the company A+.

How it’s built. The 8 build checks, in plain words.

The same eight checks we run on every brand, answered from Master Spas’ own documents. Tap one for what it means and the evidence.

Self-supporting shellDoes the shell hold itself up?Yes
Shell layers: an acrylic skin backed by fiberglass, self-supporting compared with propped on posts

A fiberglass-backed shell that holds its own shape and water load.

Master Spas reinforces the acrylic with fiberglass, and that laminate carries the load. The frame and foam are there, as on most tubs, but they aren't what keeps the shell from flexing.

Applies to: All models

Clamped plumbingAre the hoses glued and clamped?Yes
How a hose joint goes together: glue on the ridged barb, the hose pushed on, then a stainless clamp tightened; beside it, a clamped joint (good) and a glue-only joint years later, weeping

Barbed, glued and clamped on every flexible line.

Applies to: All models

Manifold-fed jetsDoes each jet get its own line?Yes
Manifold plumbing feeds each jet its own hose; daisy-chained jets share one line

Manifold plumbing, so closing one jet doesn't starve the next.

Master Spas lists a manifold system as a build feature and stocks about sixteen manifolds under its own part numbers, which a daisy-chained brand would not need. Each jet gets its own hose off a branch port. A few short series runs elsewhere in the tub are still possible.

Applies to: All acrylic models (from the maker's construction page). Per-model circuit layouts weren't checked; a manifold tub can still have short daisy-chained runs

Standard partsCan any repair tech buy the parts?Yes
A pump labelled with the supplier's own name and number is sold in many places; one with only a house number is sold in one place

Standard Balboa and Waterway parts that independent suppliers stock.

The pumps, heaters, controls and jets are standard supplier parts. Master Spas also lists them under its own part numbers, so give a parts shop the supplier's number when you order.

Applies to: All models

Compression-fitted jetsAre the jet bodies held by a nut, not glue?Yes
Three ways a jet body is held in the shell: threaded with a gasket and back nut that unscrews (good), pushed into a rubber grommet (OK), or glued in and cut out to replace (avoid)

Jet bodies are held by a gasket and a back nut, so a leaking one is resealed, not cut out.

Each jet body goes through the shell and is clamped to it by a rubber gasket and a threaded nut on the back. A body that leaks or cracks can be resealed or unscrewed and replaced without cutting the shell.

Applies to: All models

Adjustable jetsCan you turn each jet up or down?Yes
Three jet controls: turning a jet's face changes that one jet, a diverter knob moves water from one seat to another, an air control adds bubbles

Most jets adjust by turning the face; some are fixed.

The manual says most jets can be turned down or shut off one at a time. Foot, neck and small cluster jets are fixed, and the air knobs are shared across a seat or two. The warranty excludes seized adjustable internals, the usual hard-water failure, but the part is cheap.

Applies to: All acrylic hot tubs, based on the value-line 2024 LH Series; premium lines have the same or richer jets. Small cluster, neck and foot jets are fixed

Service networkCan someone near you fix it?Partly
A dealer's technician close by drives a parts-stocked van to the house quickly; a home far from any dealer waits longer, and in winter a long wait can freeze the plumbing

One of the biggest brands, with a large dealer network, but service is harder far from a dealer.

Most areas have a Master Spas dealer nearby, and independent suppliers stock its parts and sell them to any service tech. Warranty claims still go in writing to the dealer who sold you the tub, within ten days, so if you live far from a dealer, expect to wait longer for warranty service. Find out who services your area before you buy.

Applies to: US and Canada residential. International markets (UK, NZ, Australia) run separate warranty documents and were not assessed.

American made?Built in Fort Wayne, Indiana.Yes
Yes: built in a US plant the maker names. Partly: a US plant and one abroad, with no word on which built yours. No: built abroad, with molded parts shipped from there

Built in Fort Wayne, Indiana.

Fort Wayne, Indiana: 614,000 sq ft plant on a 45-acre campus, the company says (2026). Fort Wayne, Indiana (510 Sumpter Drive): Swim spa building added in the 2018 expansion. Fort Wayne, Indiana (original): Started in a 90,000 sq ft facility, per its 25th-anniversary post.

Applies to: All US and Canada acrylic hot tubs, cold tubs and swim spas, plus export models from the same plant. A separately branded Alpine line in the New Zealand warranty archive wasn't traced to a factory

Also on this model

Full-foam insulationIs it foamed all the way through?Yes
Full-foam insulation fills the cabinet; perimeter insulation lines the walls and leaves the middle open

Master Spas lists it as: Full foam.

Warranty

Shell structure
5 years
Shell surface
5 years
Equipment
3 years
Plumbing
3 years
Cabinet
Lifetime
Heater
3 years

What you get.

Clarity Spas. Two seating styles: Balance models include a lounge, Precision models are lounge-free.

Massage
43 jets on 2 jet pumpsPump power not published
Water care
OzoneFiltering: EcoPur Charge
Cover
Included
Extras
5 shell and 3 cabinet colors

What stands out

  • Neck and shoulder therapy. The StressRelief Neck and Shoulder Seat and Master Force magnets are standard on all seven Clarity models.
  • Salt ready. The Master Clear Salt System is offered as a premium option on every Clarity model.

Worth knowing

  • Half the Twilight warranty. Structure and shell surface are 5 years and equipment, plumbing and jets 3 years, versus 10/7/5 on Twilight and Legend.
2 more about the Clarity Spas
  • No foot jets or standard WiFi. Clarity lacks Master Blaster foot therapy, and no WiFi module is listed as standard.
  • Circulation pump not offered. The QuietFlo circulation pump isn't available on Clarity.

Similar tubs. Same size, any brand.

The detailsAll 100 specs, the energy filing and every source

Every specification

Everything Master Spas publishes for the Balance 8. The dot after a value opens the document it came from.

Size & capacity

Seats
5
Loungers
1
Shape
Square
Length
94"
Width
94"
Height (cabinet)
36"
Dimensions as published
94" x 94" x 36" (239 cm x 239 cm x 92 cm)
Water (gallons)
400 gal
Water (liters)
1,515 L
Weight, empty
930 lb
Weight, filled
5,195 lb

Jets & pumps

Total jets
43
Jet systems
StressRelief Neck and Shoulder Seat™, Master Force™ Bio-Magnetic Therapy System
Neck & shoulder jets
Yes
Jet pumps
2

Electrical & heat

Voltage
240V
Amps
50 A
Breaker
50 A
GFCI required
Yes

Build & insulation

Insulation
Full foam
Shell material
Acrylic
Shell colors
Sterling Silver Marble, White, Tuscan Sun, Midnight Canyon, Storm Cloud
Cabinet material
DuraMaster Polymer™
Cabinet colors
Dark Walnut, Graphite, Midnight
Cover included
Yes
Built in
USA

Water care

Filtration
EcoPur® Charge
Ozone
Yes
Salt system
Master Clear Salt System (optional)

Controls & features

Control system
Balboa Instruments, Inc.
Topside control
TP500
Interior lighting
Yes
Water features
1
Audio
Bluetooth Speaker (optional)

Doesn’t have: 120V plug-in.

Energy filing

Standby power
204 W, about $27.09 a month at 18.19¢ per kWh
Typical for its size
218 W (the middle of 113 tubs this size)
Water in the test
397 gallons
Filed as
1610, May 6, 2026

Standby is what the tub draws just holding its temperature, measured to California’s test method ↗. Your bill depends on your weather, your rate and how often you soak.

Where Master Spas’ documents disagree

Two of its own documents give different answers. Check these against your quote.

Water capacity (gallons)
400 or 465 gal (1,760 L)
Seats
5 or 6
Total jet count
43 or 48
Shell color options
Sterling Silver Marble, White, Tuscan Sun, Midnight Canyon, Storm Cloud or Sterling Silver, Tuscan Sun, Midnight Canyon
Cabinet color options
Dark Walnut, Graphite, Midnight or Espresso, Graphite Grey, Midnight

Ask the dealer

Master Spas doesn’t publish the heater size, pump horsepower, filter area, cover thickness, frame material or number of filters for the Balance 8. Ask for them in writing.

What’s a good deal on the Balance 8?

We send you the price range, by call, text or email: what a great deal, a good deal and market value look like. Then we introduce you to one Master Spas dealer near you, who reaches out knowing what you expect to pay.

Get a price on this tub

Free. Your price range, then one dealer near you.

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