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Support & Maintenance

Hot Tub Air Lock: How to Clear It and Stop It Coming Back

Posted on September 6, 2021September 28, 2026 by buildahottub
Loosening the union nut on a hot tub pump to bleed out an air lock
06
Sep

Pump humming but no water from the jets? Here’s how to tell it’s an air lock, clear it safely with priming mode, burping and bleeding the pump, and fill your tub so it doesn’t come back.

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Posted in Support & Maintenance
Design / Ideas Related

Can I Use My Hot Tub as a Swimming Pool in Summer?

Posted on July 19, 2021September 26, 2026 by buildahottub
Hot tub with the cover off used as a small summer pool with inflatable toys floating in it
19
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.

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Posted in Design / Ideas Related
Support & Maintenance

Hot Tub Pump Capacitors: How to Test and Replace Start and Run Capacitors

Posted on July 5, 2021September 26, 2026 by buildahottub
Hot tub pump motor with the capacitor cover removed, showing the run capacitor and wiring
05
Jul

If your hot tub pump hums but won’t turn, the capacitor is the first thing to check. Here’s how start and run capacitors work, and how to test and replace one safely.

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Posted in Support & Maintenance
Support & Maintenance

How to Remove Sand from a Hot Tub (and Stop It Coming Back)

Posted on June 16, 2021September 28, 2026 by buildahottub
Fine sand and grit on the tiled floor of a hot tub seen through clear water
16
Jun

Where the sand in your hot tub comes from, the best ways to get it out of acrylic and DIY tubs (including using your skimmer as a vacuum), and how to stop it coming back.

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Posted in Support & Maintenance
Design / Ideas Related, DIY Hot Tub Building

How to Build a Concrete Lounger for Your Pool, Cocktail Pool, Spool or Hot Tub

Posted on June 4, 2021September 26, 2026 by buildahottub
Tiled concrete lounger set on the shallow sun shelf of a cocktail pool
04
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.

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Posted in Design / Ideas Related, DIY Hot Tub Building
DIY Hot Tub Building

Pros and Cons of Building a Hot Tub: Build or Buy?

Posted on May 27, 2021September 26, 2026 by buildahottub
Tiled DIY in-ground hot tub with stone coping in a back garden at dusk
27
May

The honest pros and cons of building your own hot tub versus buying one, with current cost comparisons and advice on which route suits you.

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Posted in DIY Hot Tub Building
Design / Ideas Related, Plumbing Related

How to Build a DIY Infinity or Overflow Hot Tub (Balance Tanks, Pumps and Plumbing)

Posted on May 11, 2021September 28, 2026 by buildahottub
Tiled DIY infinity hot tub with water spilling over one edge towards a countryside view
11
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.

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Posted in Design / Ideas Related, Plumbing Related
Materials and Construction Related

How to Build a Concrete Slab or Base for a Hot Tub (Step by Step)

Posted on April 12, 2021September 28, 2026 by buildahottub
Freshly poured concrete hot tub base inside timber formwork in a back garden
12
Apr

A step-by-step guide to building a concrete pad or slab for a shop-bought hot tub, swim spa or DIY built tub, with sizes, thicknesses, mixes and curing times.

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Posted in Materials and Construction Related
Cocktail & Plunge Pool Related

How to Build a DIY Cocktail Pool or Spool: Step-by-Step Guide

Posted on February 25, 2021September 28, 2026 by buildahottub
Tiled DIY cocktail pool with a built-in bench and loungers on a patio
25
Feb

A cocktail pool or spool is easier to build than you think. Here’s how to plan one, what it costs, how to heat it and a step-by-step build from the dig to the first cocktail.

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Posted in Cocktail & Plunge Pool Related
Cocktail & Plunge Pool Related, DIY Hot Tub Building

How to Build a DIY Plunge Pool: The Ultimate Guide

Posted on January 20, 2021September 28, 2026 by buildahottub
In-ground DIY plunge pool with mosaic tiles and stone coping in a back garden
20
Jan

Everything you need to build your own in-ground plunge pool, from planning, permits and safety barriers to the slab, walls, waterproofing, plumbing, heating and using it as a cold plunge.

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Posted in Cocktail & Plunge Pool Related, DIY Hot Tub Building
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Recent Posts
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