Hot Tub Blog

Buying advice, troubleshooting and answering common questions asked about hot tubs from potential buyers and existing owners, with lots of helpful information.

Woman inspecting a pale limescale mark around a hot tub waterline

Hot Tub Limescale: Causes, Removal and Prevention

Learn what causes hot tub limescale, how hard water and high pH affect it, how to remove deposits safely and stop scale returning.

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Hot tub water testing kit beside a spa in a British garden

Hot Tub pH Explained: Safe Range, Testing and Simple Fixes

Learn the right hot tub pH range, what makes it rise or fall, how alkalinity affects it and how to correct high or low readings safely.

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Editorial cartoon of a woman checking a glass of green-tinted hot tub water in a UK courtyard

Why Is My Hot Tub Water Green? Causes and Safe Fixes

Hot tub water turned green? Learn how to tell metals from algae, make safe checks, clear the water and stop the colour from coming back.

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