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Design / Ideas Related

What Is the Cheapest Hot Tub to Build? Stock Tank and Other Budget Options

Posted on September 12, 2024September 28, 2026 by buildahottub
A round galvanised stock tank hot tub set on a gravel base beside a timber deck in a back garden
12
Sep

The cheapest proper hot tub to build is a stock tank hot tub. Here’s what the tank, plumbing kit and electrics cost, plus two other budget ideas.

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Posted in Design / Ideas Related
Support & Maintenance

Hot Tub FLO Error: What It Means and How to Fix It

Posted on September 11, 2024September 28, 2026 by buildahottub
Open hot tub equipment bay with the pump, filter and heater that a FLO flow error points to
11
Sep

A FLO error means your spa pack can’t detect water flowing through the heater. Here’s how to find the cause, from the free checks to the pressure switch.

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Posted in Support & Maintenance
Case Studies / Example Projects

DIY Cold Plunge and Hot Tub Combo: Kyle’s Backyard Wellness Centre

Posted on September 10, 2024September 28, 2026 by buildahottub
10
Sep

I designed a tub for Kyle in the USA that works as both a hot tub and a cold plunge. See how his backyard wellness centre came together.

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Posted in Case Studies / Example Projects
Design / Ideas Related, DIY Hot Tub Building, Materials and Construction Related

Tub & Pool Designer Pro: Free Hot Tub and Pool Design Software

Posted on September 3, 2024September 28, 2026 by buildahottub
Tub & Pool Designer Pro software
03
Sep

Tub & Pool Designer Pro is my free 3D design tool for hot tubs and plunge pools, with optional plumbing diagrams and architectural CAD drawings.

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Posted in Design / Ideas Related, DIY Hot Tub Building, Materials and Construction Related
Design / Ideas Related

Can You Build a DIY Lap Pool? Size, Construction, Heating and Filtration

Posted on September 3, 2024September 28, 2026 by buildahottub
Long, narrow DIY in-ground lap pool with a tiled lane line along a garden boundary
03
Sep

Everything to think about before you build your own lap pool: size and depth, construction, finishes, heating a big volume of water, filtration, sanitising, covers and the UK and US rules.

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Posted in Design / Ideas Related
Air Source Heat Pump Related

Upgrading to an Air Source Heat Pump: Chris’s Hot Tub Journey

Posted on September 2, 2024September 28, 2026 by buildahottub
02
Sep

Chris swapped his electric heater for an air source heat pump. Here’s how we planned it, the pre-plumbed bypass he found, and the fix for his E3 flow error.

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Posted in Air Source Heat Pump Related
Case Studies / Example Projects

Paul’s UK DIY Hot Tub: The Video Walkaround

Posted on August 26, 2024September 28, 2026 by buildahottub
26
Aug

Paul walks us round his nearly finished DIY hot tub in the UK and explains the features and thinking behind the design.

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Posted in Case Studies / Example Projects
Case Studies / Example Projects

John from Kentucky: An 8×8 DIY Hot Tub Built from My Plans

Posted on July 24, 2024September 28, 2026 by buildahottub
24
Jul

John from Kentucky built an 8×8, 14-jet hot tub from my ready-made plans. Follow his build from the dig and block walls to the finished tub.

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Posted in Case Studies / Example Projects  |  Tagged case study, DIY hot tub, kentucky
Design / Ideas Related, DIY Hot Tub Building, Materials and Construction Related

What Makes the Best DIY Hot Tub Plans? What to Look For

Posted on July 13, 2024September 28, 2026 by buildahottub
Printed hot tub plans and a tape measure on a workbench beside a half-built block hot tub
13
Jul

Good DIY hot tub plans give you real dimensions, a plumbing layout, a parts list and structural drawings. Here is what to look for and what my plans include.

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Posted in Design / Ideas Related, DIY Hot Tub Building, Materials and Construction Related
Case Studies / Example Projects

Paul’s DIY Hot Tub Journey: A UK Build From Groundwork to First Soak

Posted on June 21, 2024September 28, 2026 by buildahottub
paul_hot_tub
21
Jun

Paul built his own hot tub in the UK from one of my standard designs, adding curves, a lounger and a wood burner. Follow the build and his top lessons.

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Posted in Case Studies / Example Projects
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Recent Posts
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  • Plunge Pool and Hot Tub Combo: How to Design One Project That Does Both
  • DIY Hot Tub Cost Breakdown for 2026: Where the Money Actually Goes
  • Can a Self-Confessed Rubbish DIYer Build a Hot Tub? Meet Matt
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2026 Guide
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