How to set the pump and blower configuration on a Balboa BP8 using a TP700 topside: switch on Test Mode, choose the setup mode, then switch it off again.
DIY Hot Tub Building, Support & Maintenance, technology
How to Configure a Balboa Spa Pack: Setup Numbers and DIP Switches
17
Jan
Jan
A spa pack doesn’t know what you’ve plugged in until you tell it. Here’s how to pick the setup number, set the DIP switches and program a Balboa pack step by step.
07
Jan
Jan
A simple guide to how hot tub plumbing works: drains, pumps, filter, heater, jets, blowers and check valves, plus common problems.
06
Jan
Jan
If you follow my blog or YouTube channel, you’re probably familiar with Mark from the UK and his ongoing DIY hot tub project. It’s been an incredible journey spanning over two years, and I’ve been sharing updates with you as the build has progressed.
As 2024 comes to a close, Mark set himself a bold goal: to complete the hot tub in time for Christmas. This was no small feat, considering the requirements of the project and the challenges that come with managing such an ambitious timeline. Plus it’s all alongside a full-time job. The question on everyone’s mind is—did he manage to meet the deadline?
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.
Reviews & Info, Support & Maintenance
Swimming Pool Pumps: The Shocking Truth About Running Costs (2026)
30
Dec
Dec
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.
23
Dec
Dec
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)
21
Dec
Dec
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
20
Dec
Dec
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
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.