Planning a DIY Hot Tub in 2022? To get what you want in terms of a DIY Hot Tub in your mind, that dream tub you can picture yourself in, relaxing, steam rising, bubbles bubbling, to actually building one takes a quantum leap…..
Category Archives: Design / Ideas Related
Design / Ideas Related, Plumbing Related
Can You Heat a Hot Tub with a Ground Source Heat Pump? (2026 Guide)
08
Dec
Dec
You can heat a hot tub from a ground source heat pump using a heat exchanger, but it only really makes sense if you already have one. Here’s how it works, what grants apply in 2026, and how it compares with the air source heat pump I use.
Design / Ideas Related, DIY Hot Tub Building, Plumbing Related
Hot Tub Control Room Position: Where to Put It and Why It Matters
02
Nov
Nov
Where you put your hot tub control room decides how strong your jets are, whether your pumps prime, and how easy the tub is to live with. Here’s how to get the position right.
22
Oct
Oct
Everything you need to plan and build your own exercise pool or swim spa, from sizing it for a swim jet to heating 12,000 litres of water, with the lessons from my own build.
19
Jul
Jul
How to run your hot tub as a cool summer pool: the temperature to set, filter cycles, chlorine and pH levels, safety with kids, and design ideas if you want a tub that does both.
Design / Ideas Related, DIY Hot Tub Building
How to Build a Concrete Lounger for Your Pool, Cocktail Pool, Spool or Hot Tub
04
Jun
Jun
A concrete lounger turns a DIY pool or hot tub into something special. Here’s how to design, prototype, mould, reinforce, cure and finish one yourself.
Design / Ideas Related, Plumbing Related
How to Build a DIY Infinity or Overflow Hot Tub (Balance Tanks, Pumps and Plumbing)
11
May
May
How an infinity or overflow hot tub works, how to size the balance tank, why a dual-pump layout is best, and a real DIY build from Chris in Utah.
Design / Ideas Related, DIY Hot Tub Building, Reviews & Info
Hot Tub Lights: The Ultimate Guide to Lighting a DIY Hot Tub
25
Nov
Nov
Everything you need to light a DIY hot tub: LED vs halogen, how bright and how many, where to put it, safe low-voltage power, spa pack limits and how to route the cable.
05
Sep
Sep
The honest pros and cons of owning a hot tub, from relaxation and family time to running costs, water care, space, electrics and safety.
16
Jul
Jul
Thinking about a deck for your hot tub? Here’s how to choose the layout, why a filled tub needs roughly double a normal deck’s design load, and the materials and finishes I’d use.