The price of a pool pump is the smallest part of what it costs you. Here’s what pool pumps cost to run in the UK and USA, why variable speed saves so much, and what you get for your money with a premium pump.
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How to design and build a proper filtered, chilled DIY cold plunge pool: size, wall construction, plumbing and chillers, water treatment, and how to use it safely.
Case Studies / Example Projects, DIY Hot Tub Building
Architect Builds a DIY Hot Tub in Michigan, USA (Case Study)
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Reem, an architect, designed a rectangular hot tub with decorative waterfalls for her Michigan home. I designed the plumbing and supplied the parts.
DIY Hot Tub Building, Support & Maintenance
How to Size a Hot Tub Pump: Flow, Pipe Size and Pump Curves
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Pump sizing is about flow and resistance, not horsepower alone. Learn the 10 GPM per jet rule, why pipe size matters and how to use a pump curve.
Cocktail & Plunge Pool Related, Design / Ideas Related
Can You Build a DIY Swim Spa? How to Choose a Swim Jet
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You can build a DIY swim spa. Here is how swim jets work and how to choose one: power, noise, bubbles, built-in or retrofit.
Design / Ideas Related, DIY Hot Tub Building, Plumbing Related, Support & Maintenance
What Is the Best Way to Heat a DIY Hot Tub? (2026 Running Cost Comparison)
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Electric, air source heat pump, gas, heat exchangers, wood and solar compared: what each really costs per unit of heat at today’s UK and US prices, how fast they heat, and which one I’d fit to a DIY hot tub.
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DIY Hot Tub Heater – which one should I choose? How you heat the hot tub can ultimately affect how you use it and how much it costs you to run your tub. As I am sure you have realised, this blog and my YouTube Channel focus on DIY Hot Tubs and Pools. Hopefully, in this article, I can explain some of the options that you have for your DIY Hot Tub Heater.
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If you’re looking into building a DIY hot tub, then you know lighting is a big aspect of your build. It adds another dimension to your hot tub, and having some sort of lighting makes a huge difference in the overall experience.
However, there’s a lot to hot tub lighting, and it can get confusing at times. Don’t worry because this is the ultimate DIYer’s pool and spa lighting guide! I’ll take you through everything you need to know about lighting up your hot tub.
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Chris set out to fit a heat pump to his seven-year-old hot tub and ended up fixing leaks, rot and insulation too. Here’s how he did it, and his results.
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You don’t need a matching brand or fancy wiring to control an air source heat pump from your hot tub. Here’s how flow control works and how to set it up.