Muriatic acid is hydrochloric acid, and it’s very good at lowering pH and alkalinity, but it’s hazardous and needs a licence in the UK above 10%. Here’s how to use it safely and when pH minus is the better choice.
Author Archives: buildahottub
Cocktail & Plunge Pool Related
Plunge Pool: Everything You Need to Know (Sizes, Costs, Safety and DIY)
05
Dec
Dec
Everything you need to know about plunge pools: sizes, types, what they cost in the UK and USA, safety, heating or using one as a cold plunge, water care and building your own.
20
Nov
Nov
Cyanuric acid protects chlorine in outdoor pools, but in a covered hot tub it just slows chlorine down. Here’s where it comes from, what level to aim for and how to get rid of it.
19
Nov
Nov
What a backyard swim spa is, how big they are, whether to buy or build one, and what to plan for: the base, electrics, access, permits, running costs and water care.
18
Nov
Nov
A spool is a small pool with hot tub features like heating and jets. Here’s how it compares with a pool, hot tub and plunge pool, what size it should be, what it costs and how to build one.
17
Nov
Nov
How Niel built a two-piece hard top hot tub cover from timber, foam, fibreglass and epoxy for about £700, step by step, with his top tips and what to think about before making your own.
14
Oct
Oct
Ben in Pennsylvania planned, dug, formed and poured his own concrete plunge pool, and added a clever dog grate. Here’s his build from start to finish.
05
Oct
Oct
Scott in Texas had the building skills but wanted the plumbing, parts and spa pack set-up done right. Here’s how his custom DIY hot tub came together.
18
Sep
Sep
Equipotential bonding isn’t the same as grounding, and on a DIY hot tub or plunge pool part of it has to go in before you pour. Here’s what NEC 680.26 and BS 7671 require and what to ask your electrician.
Case Studies / Example Projects
Stock Tank Hot Tub Kit: How Ben Built His DIY Stock Tank Hot Tub in California (Case Study)
14
Sep
Sep
Ben built a heated, jetted stock tank hot tub for his California Airbnb using one of my stock tank hot tub kits. Here’s how he did it, and what’s in the kit.