Above ground hot tub – a must for your backyard! Whether you are looking for a plastic shell tub, and inflatable tub or something brick built that is a little more permanent, we’ll be covering it in this article.
Category Archives: Design / Ideas Related
Design / Ideas Related, DIY Hot Tub Building
A Guide to Hot Tub Electrics: Supply, Costs and Who Does What (UK and US)
28
Mar
Mar
The big-picture plan for your hot tub’s electrical supply: what circuit you need in the UK and USA, how to work out the current, typical costs, who does what, and permits and inspection.
Design / Ideas Related, Support & Maintenance
Saltwater Hot Tub Pros and Cons: How It Works, Costs and Care
30
Jan
Jan
A saltwater hot tub is still a chlorine hot tub. Here’s how salt systems work, how salty the water really is, the honest pros and cons, and what to know before retrofitting one.
31
Dec
Dec
How gas hot tub heaters work, how to size one, what natural gas and propane cost against electricity and a heat pump, and the UK and US installation rules.
Cocktail & Plunge Pool Related, Design / Ideas Related
Can You Build a DIY Swim Spa? How to Choose a Swim Jet
19
Dec
Dec
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)
12
Dec
Dec
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.
12
Dec
Dec
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.
Design / Ideas Related
How to Size a Swimming Pool Overflow or Spillover (Flow Rates, Lip Design and Pumps)
09
Nov
Nov
How to size a pool or hot tub spillover: flow per foot of lip, the effect of the drop, getting the lip level and sharp, choosing the pump, plus a free calculator.
Design / Ideas Related, DIY Hot Tub Building, Materials and Construction Related, Plumbing Related
Hot Tub Control Room Design: Distance, Height, Size and Layout
06
Nov
Nov
Where to put a hot tub control room and how big to make it: distance, elevation, space for equipment, services and maintenance.
Design / Ideas Related, DIY Hot Tub Building, Plumbing Related
Hot Tub Pump Union Sizes Explained (With a Collar Size Guide)
30
Oct
Oct
Hot tub pump union sizes are named after the pipe they fit, not the collar you measure. Here is how to pick the right one.