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.
Design / Ideas Related
Infinity and Zero Edge Pool Design Considerations: Balance Tanks, Edges and Plumbing
29
Oct
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.
27
Oct
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.
DIY Hot Tub Building, Materials and Construction Related
How to Find a Replacement Hot Tub Headrest, Cushion or Pillow
26
Oct
Oct
Finding a replacement hot tub headrest can be tricky. Here is how to measure, match fixings and choose a generic one that fits.
25
Oct
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.
Design / Ideas Related, DIY Hot Tub Building
How to Use a Venturi System Instead of a Blower on a Block Hot Tub
24
Oct
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.
23
Oct
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.
Case Studies / Example Projects, DIY Hot Tub Building, Plumbing Related
How to Add a Circulation Pump to a Hot Tub (Step by Step)
18
Oct
Oct
Replace a noisy two-speed pump with a circulation pump and a separate jet pump: why, how to plumb it, and how to reprogram the spa pack.
Plumbing Related, Support & Maintenance
Do I Need to Replace My Hot Tub Topside Control? Fixes to Try First
17
Oct
Oct
Not every topside fault needs a new panel. Here’s what an overlay, a pin and a pack reconfigure can fix, and when replacing the topside is the only option.
Materials and Construction Related, Reviews & Info, Support & Maintenance, technology
Hot Tub Air Switches: The Ultimate Guide (How They Work, Faults and Replacement)
16
Oct
Oct
Air switches let you control a pump or blower from the water with no electricity at the button. Here’s how they work, why they fail and how to replace one.