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Reviews & Info

Differences Between Domestic and Commercial Hot Tubs

Posted on November 1, 2024October 29, 2026 by Buildahottub
Commercial Hot Tubs
01
Nov

Commercial and domestic hot tubs differ in key ways. Let’s take a closer look at the differences between the two.

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Posted in Reviews & Info  |  Tagged commercial hot tubs, domestic hot tubs
Case Studies / Example Projects

American Builds a DIY Pool and Hot Tub Combo in Mexico (Case Study)

Posted on October 31, 2024October 29, 2026 by Buildahottub
Hot Tub in Mexico
31
Oct

Jeff built a custom, curved pool and hot tub combo at his vacation home in Mexico. I designed the plumbing, including a diverter system, and supplied the parts.

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Posted in Case Studies / Example Projects  |  Tagged case study, hot tub, mexico
DIY Hot Tub Building

Building a Hot Tub with ICF Blocks: A Tennessee DIY Project

Posted on October 30, 2024October 29, 2026 by Buildahottub
Hot Tub with ICF
30
Oct

Jeffrey and Dave in Tennessee are building their hot tub with ICF blocks. Here’s the foundation, the ICF walls, the control room and the concrete pour.

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Posted in DIY Hot Tub Building  |  Tagged DIY hot tub, hot tub, Hot tub with ICF, ICF Blocks
Design / Ideas Related, DIY Hot Tub Building, Plumbing Related

Hot Tub Pump Union Sizes Explained (With a Collar Size Guide)

Posted on October 30, 2024October 29, 2026 by Buildahottub
White hot tub pump unions on the front and side discharge of a pump with a gate valve either side
30
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.

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Posted in Design / Ideas Related, DIY Hot Tub Building, Plumbing Related  |  Tagged hot tub pump union, Replacement, size guide
Design / Ideas Related

Infinity and Zero Edge Pool Design Considerations: Balance Tanks, Edges and Plumbing

Posted on October 29, 2024October 29, 2026 by Buildahottub
Infinity edge swimming pool with water spilling over the far edge towards a countryside view
29
Oct

The key design considerations for infinity (vanishing) edge and zero edge pools, from sizing the balance tank to edge flow rates, troughs, pumps and maintenance access.

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Posted in Design / Ideas Related  |  Tagged design, infinity edge, infinity pool, pool design
Plumbing Related, Support & Maintenance

How to Fill a Hot Tub the Correct Way (and Avoid Air Locks)

Posted on October 27, 2024October 29, 2026 by Buildahottub
Garden hose filling a hot tub through the filter housing with clear water
27
Oct

Where to put the hose, how to stop air locks in shell and DIY tubs, what water to use, and what to do once it’s full, from first chemicals to heat-up time.

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Posted in Plumbing Related, Support & Maintenance  |  Tagged air lock, filling, hot tub, water
DIY Hot Tub Building, Materials and Construction Related

How to Find a Replacement Hot Tub Headrest, Cushion or Pillow

Posted on October 26, 2024October 29, 2026 by Buildahottub
Hot tub headrest pillow being measured with a tape measure across the back attachment holes
26
Oct

Finding a replacement hot tub headrest can be tricky. Here is how to measure, match fixings and choose a generic one that fits.

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Posted in DIY Hot Tub Building, Materials and Construction Related  |  Tagged DIY hot tub, hot tub cushion, hot tub headrest, replace hot tub cushion, Replacement
Materials and Construction Related, Plumbing Related

Repair or Replace a Hot Tub Pump? How to Decide

Posted on October 25, 2024October 29, 2026 by Buildahottub
Hot tub pump removed from its unions with the wet end and motor visible on a workbench
25
Oct

A simple guide to deciding whether to repair or replace a faulty hot tub pump, with what is fixable, typical costs and the signs it is time to replace.

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Posted in Materials and Construction Related, Plumbing Related  |  Tagged DIY hot tub, Hot Tub Pump, Pump, Repair, Replacement
Design / Ideas Related, DIY Hot Tub Building

How to Use a Venturi System Instead of a Blower on a Block Hot Tub

Posted on October 24, 2024October 29, 2026 by Buildahottub
Venturi air control set into the stone coping of a DIY hot tub, with bubbling jets below the waterline
24
Oct

A step-by-step guide to running gunite jets on venturi air controls instead of an air blower on a block, concrete or ICF DIY hot tub.

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Posted in Design / Ideas Related, DIY Hot Tub Building  |  Tagged air blower, concrete hot tub, Venturi system
DIY Hot Tub Building, Support & Maintenance

How to Choose a Replacement Spa Pack for Your Hot Tub

Posted on October 23, 2024October 29, 2026 by Buildahottub
New hot tub spa pack with flow-through heater and topside control on a workbench beside the old pack
23
Oct

Spa pack died or due an upgrade? Here’s what to check before you buy a replacement: topside compatibility, outputs, voltage, heater size and plumbing.

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Posted in DIY Hot Tub Building, Support & Maintenance  |  Tagged Replacement, spa pack
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Recent Posts
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See your hot tub before you dig, in Tub & Pool Designer Pro
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