Browse every hot tub water-care guide — from why the water went cloudy and what to check first, to choosing chlorine or bromine, balancing pH, deciding when to drain, and keeping an inflatable tub running through a UK winter.
Water smells or looks dull after a party? Don't just dump in more chemicals. Non-chlorine shock clears waste fast; chlorine shock kills bacteria. Here's how to pick the right one for your UK hot tub.
Cloudy water or a strong smell? The right dose depends on your tub's litres and the product strength, not a single scoop. Here's how to calculate it correctly.
Green water or itchy skin? Chlorine is cheap and fast, but bromine stays stable in warm water. Here's how to pick the right one for your inflatable tub.
Don't buy a starter kit full of extras. Here is the minimum chemical kit you need to keep inflatable hot tub water safe, clear and balanced.
Your scum line keeps coming back and bubbles won't go away. Here's the difference between oils, lotions, and biofilm—and the right cleaner for each.
A strong chlorine smell usually means combined chlorine — spent sanitiser reacting with bather waste — not too much chlorine. Musty or swampy smells point to biofilm or old water.
Your hot tub looks milky right after shocking. Here's why it happens and how to tell if you need a clarifier or just more filtration time.
Your inflatable hot tub is green. Here's how to tell if you need a shock dose or a full drain and refill, based on how often you use it and how bad the algae is.
Foamy water isn't usually a chemical problem. Here's the UK owner-approved order to check for detergent residue, old water, and balance issues before you buy anti-foam.
Cloudy Lay-Z-Spa water often returns because filters clog or pH is wrong, not because you need more chlorine. Here's the correct order to fix it.