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MasterPur Watercare Management System

Let the spa do the work for you. The MasterPur System produces and maintains fresh, natural, beautifully clear spa water. The system uses a powerful germicidal UV light – a powerful natural sanitiser proven by its use in extensive commercial applications. With MasterPur, the UV light is combined with two other natural sanitisers, ozone and copper & zinc. Collectively these organic sanitisers eliminate toxins and bacteria found in spa water, vastly reducing water maintenance, making dependency on heavy chemical use a thing of the past.

Main Hot Tub Features

Super Comfy
Seating Design.

Our hot tub shells are made using the latest moulding technology. This technology allows the creation of seat designs that are truly built for maximum comfort and hydrotherapy benefit and minimise the effects of floating. You will be hard pushed to find anything near the level of comfort and relaxation found within our hot tubs.

Full Colour Touch
Screen Technology.

Our colour touch screens make hot tub control as simple as possible. Utilising a big bright screen and a simple user interface our control panels are designed so they can be used fully without any learning curve at all. Situated at the top of your hot tub with rotating screen feature so the control panel can be just as easily used inside or outside of the hot tub.


Each seat has its own unique jet configuration and each seat can be configured in a number of ways; individual jets can be turned on and off while overall power to each seat can be adjusted. Combined with varying pump speeds the hydrotherapy customisation in our hot tubs ensures you will have the perfect hydrotherapy massage for your specific needs.

MasterPur Water

MasterPur water management system is a synergistic blend of proven sanitisers which maintains crystal clear spa water. MasterPur works by combining Ozone along with a germicidal UV-C light which purifies your water by streaming out toxins and chloramines.

Synthetic and UV
Safe Cabinet.

Our hot tub cabinets are second to none. UV resistant panels ensure your hot tub will still look great as the years roll by while the synthetic finish allows for easy wipe-clean maintenance to keep dirt and grime at bay with the minimum of fuss.

Energy Efficiency.

The Fusion Lx2 exceeds the strict standards set by the CEC: Californian Energy Commission. Very few spas, or indeed manufacturers, are able to meet these exacting standards which translate to super-efficient energy retention values and low daily running costs.

Hot Tub Control.

Our hot tubs come with a smartphone app that allows you to control all the hot tub functions from anywhere in the world. Prepare the perfect temp for that guest who likes it cool or adjust the temperature while you are away on holiday. The WIFI app is a surprisingly useful feature you will soon not want to be without.

LED Light Show.

The Fusion Lx2 hot tub has multi-point colour changing LED mood lighting, lighting built into the water features and pillows as well as light-up cup holders that bring this hot tub to life at night. The hot tub shell glows in a truly spectacular display of therapeutic atmosphere that will relax and amaze.

Amazing Bluetooth
Sound System.

Play your own music collection via the hot tub sound system using the bluetooth functionality built into the spa. Manage your tracks right from the touchscreen control panel and play them through a sub-powered sound system that produces a thick, warm high quality sound an audiophile would be proud of.

Over £1100 Worth
of Extras Included Free!.

The Lx2 comes complete with over £1100 of extras completely free.
Free Mainland Installation Worth £299.00
Free Cover Worth £449.95
Free Cover Lifter Worth £149.00
Free Spa Steps Worth £99.95
Free Chemical Kit Worth £105.00

Manufacturer Warranty.

The Fusion Lx2 comes with an outstanding manufacturer's warranty and after care service.
The warranty on the Lx2 is
5 Year shell warranty
2 Year No Leak warranty
2 Year Components warranty
2 Year Labour warranty

A Hot Tub Built
By a Global leader

The Lx2 is built by Master Spas, based in Fort Wayne, Indiana. Operating out of a state-of-the-art 27 acre manufacturing campus, they are one of the largest portable spa and hot tub manufacturers in the USA. The management team at Master Spas has over 100 years of spa manufacturing success.


Here at Grizzly Bear Hot Tubs we dont believe in hidden costs. The price we show on our website is the price you pay for everything. Here is a quick rundown of what is included with this hot tub.

Delivery and full installation - Normally £299.00

Believe it or not many hot tub companies will simply leave your hot tub on the curbside or charge a small fortune for installation. We not only bring your hot tub to you but we also get your hot tub in to position, fill it up then fully commission the tub before giving you a full working demo. Every hot tub is bubbling away in your garden before our installation team leave.

Extreme hot tub cover - Normally £449.95

When it comes to ensuring your hot tub has a small economical footprint your hot tub cover is the single biggest thing to take into consideration. We provide only the very best extreme hot tub covers, complete with steam strip, to ensure your hot tub runs at a level of insulation that cant be beat. Quite simply our hot tub covers are the best you can buy.

Cover Lifter - Normally £149.00

Moving the hot tub cover on and off every time you use your hot tub and then finding someplace to store the cover when your hot tub is use can be difficult. We provide a free cover lifter that allows you to easily remove the cover with one hand and it neatly stores the cover for you at one side of the hot tub. Not only do we supply the cover lifter free but we fit it for you as well.

Easy access hot tub steps - Normally £99.95

No hot tub would be complete without a set of hot tub steps to allow easy access. Our steps are UV resistant and designed to be slip free so not only do they look great, they also keep you safe while getting in and out of your tub.

Chemical kit and and water care accessories - Normally £105.00

No matter what tub you own water care in one way or another is inevitable. Some areas have hard water and some have soft. A certain clothing detergent could change your hot tub PH. We provide everything you need to keep your water tip top along with a spare Pleatco filter.


Free mainland delivery and commissioning on every hot tub.

When you buy a hot tub from Grizzly Bear Hot Tubs you can be assured of professional installation by one of our in-house installation teams. All of our technicians are factory trained in all aspects of the installation and maintenance of our hot tubs and each hot tub we sell comes complete with free mainland delivery and commissioning, meaning our technicians will get your hot tub into position, fill the hot tub, carry out the required checks before giving you an easy to understand course on how to operate and maintain your new hot tub. Your hot tub will be bubbling away before our technicians leave your home. The complete installation service from start to finish and included with every hot tub.

How we deliver and install our hot tubs.

We deliver our hot tubs using a Spa Dolly which is an American system specifically designed for the delivery and installation of hot tubs. The Spa Dolly tips the hot tub onto its side on the spa cart which has steering front and rear to allow our technicians to wheel your hot tub into position on its side. We then inflate an airbag, push the hot tub onto the airbag which then deflates and gently lowers the hot tub to the base provided. We have a fleet of trucks, vans and Spa Dolly's covering Scotland 5 day per week.

Delivery Access Requirements.

We require a clear run of around 1 metre wide from the roadside to the final position of your hot tub. when measuring please take into account gate posts, steps, over hanging fascias, boiler flues etc that may foul the access route. lf you think you may have an issue with the access route please feel free to email photos to This email address is being protected from spambots. You need JavaScript enabled to view it. and one of intallation team will have a look and advise the best way around the problem.

Hot Tub Base Requirements

All of our hot tubs feature an Everlast tough one piece ABS self supporting plastic base which spreads the weight evenly over the whole area of the hot tub. This allows our hot tubs to be placed straight on to any firm, flat and level base with slabs, concrete and decking all being suitable bases. lt is very important that your base is fiat as a twist in the base will put extra strain on the shell of the hot tub.

When planning where to position a hot tub you ideally want to have around 50cm clearance all the way around the hot tub to allow you access to operate the cover lifter and for cleaning. This will also allow our engineers access to every component of the hot tub should any servicing ever be required. lf you are planning to have decking around your hot tub this is not a problem but please ensure the 50cm of decking around the hot tub is completely removable. This is often achieved by fixing the decking boards with screws and using ‘joist hangers’ which are brackets that the joists are just placed into meaning they are easily removable.

Electrical Requirements.

The Fusion Lx2 requires a 32amp power supply with RCD protection. This is not a large supply by any means and is the same supply that is required for the installation of a cooker or shower.

Information for 32amp power supplies:
A 32amp power supply will require a RCD protected cable with a type C breaker to be be run to a commando socket located around 3 metres away from your hot tub. We also require the commando plug to be pre wired to SY Flex cable leaving an 8 metre tail. This extra long tail is to allow for the perfect siting of your hot tub.

What lf Access is a Problem?

As not everyone has a clear run of around a metre we often have to use lorry mounted crane's to lift hot tubs over walls or high fences. lf you are concemed your access may be a problem please feel free to email us over photos along with your contact details and we will work out the easiest way to get a hot tub into place. The email address to send them to is This email address is being protected from spambots. You need JavaScript enabled to view it.


The Fusion Lx2 comes with an excellent manufacturer's warranty from Master Spas and outstanding back up service provided by ourselves. Our technical support line is open 6 days a week and we also have a technical support website complete with videos and all the answers to the most common watercare and technical queries available 24/7. We support this with a fleet of vans covering Scotland daily with each van carrying a full inventory of parts allowing any fault to be fixed quickly and efficiently. Full details of the warranty on the Fusion Lx1 can be found here


This bullet list covers the most important aspects of the hot tub. Of course if you require any other information please feel free to call using the number at the top of the page.

  • Shell Dimensions: 214 x 214 x 92cm
  • Volume: 1135 Litres
  • Dry Weight : 328kg
  • Seating: 5.
  • Designed and constructed in the USA.
  • Ergonomic Shell Design
  • Wi-Fi Control
  • 32 amp
  • 2 x 6hp Balboa Pump
  • 1 x Circulation Pump
  • Balboa heating system
  • Balboa Touch Screen Colour control panel
  • MasterPur Water Management System
  • Dual LED Lit Water Fountains
  • 45 Premium stainless steel hydrotherapy jets
  • Full Nationwide Delivery & Installation
  • Synthetic maintenance free cabinet
  • Eco-Pur Filter
  • Self-Supporting ABS Base
  • Comfort design LED pillows
  • LED underwater lighting
  • Premium Cover with Child Safety Cover Locks
  • 2 Year Parts & Labour Warranty