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Don't buy a hot tub
When you can build one!

Professional Instructions Produce Incredible Results!

LEARN HOW TO BUILD YOUR OWN CUSTOM SPA, HOT TUB, SWIM SPA OR PLUNGE POOL!

  • Get my “Award Winning” Hot Tub Building Information Package today (voted the #1 How to DIY information guide for building spas, hot tubs and plunge pools) which includes 6 books packed with priceless information. Plus, now you get two videos of actual build projects start to finish! Sit back and watch as I take you through each step needed to complete your own spa or hot tub.
  • If that wasn’t enough, you’ll also get two FREE bonus books covering more must-have DIY
    backyard projects and the latest money saving tips. That’s 8 amazing books in total! But here’s
    the best part: being a Custom Built Spas customer means FREE, unlimited email and
    over-the-phone consultation from me, an industry recognized expert.
  • Custom Built Spas’ “How-To” Information Package is the “gold standard” for DIY directions on
    Hot Tub building projects and is not available anywhere else! For over 20 years, Custom Built
    Spas has been helping customers everywhere build spas and hot tubs. I’ll guide you through the
    process until your project is fully completed and operational!

Meet the Expert, Gene Trumbull

Established in 1999 by Gene Trumbull, Custom Built Spas was started as a Veteran Owned Business. Gene understands the satisfaction fellow DIYers get by being able to construct and complete different kinds of projects. While looking into building a hot tub, he also realized there was a serious lack of comprehensive instructions for this type of project. The few tutorials he managed to find yielded sub-par results or lacked many essential details. Therefore, Gene made it his mission to turn building a spa, hot tub, or swim spa into a very doable, high-quality DIY undertaking.

Since then, Gene has become one of the nation’s leading authorities on the subject. He has been interviewed by industry magazines such as Pool & Spa News, and articles from his project manuals have been featured on prominent “handyman” websites. Gene has helped countless homeowners complete projects in the US, as well as countries around the world.

Get your very own information package today, and let Gene become your personal spa-building coach. That’s a one-of-a-kind service you won’t find anywhere else. Discover what you can accomplish by reading through the testimonials page and seeing the beautiful spas Gene’s customers have built.

Learn More About Gene and Custom Built Spas

Real Results from our customers and others

(Directly from Instagram #CustomBuiltSpas)

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The Latest Resources

11 May

DIY Hot Tubs, Swim Spas, Plunge Pools

DIY Hot Tubs, Swim Spas, Plunge pools… catch the rage! For over 20 years, Custom Built Spas has provided DIYers the most complete and detailed information packages on Spa, Hot tub, Swim Spa and Plunge Pool building that can you find anywhere period! The information packages we offer have been #1 Best Sellers in this […]

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4 March

About Building a DIY Hot Tub

How many times have you said to yourself, “I wish I had a Hot Tub or spa”, maybe a “plunge pool” or “Swim Spa”? But then you answer your own question why you don’t have one, “I just can’t afford it”. You may be right, the quality ones you seen in retail outlets are expensive! […]

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30 December

DIY Hot Tubs and More… the rage is catching on!

For over 20 years now, Custom Built Spas has been providing DIYers the most complete and most detailed information package on Spa and Hot tub building that can be found anywhere period! Our information package is the #1 Best Seller in this arena bar none, nobody does it bigger or better and nobody offers the […]

read more