FAQ Water Sanitisers

Articles, guides and troubleshooting tips in the FAQ Water Sanitisers category from the Zagosa team.

Chlorine or bromine for a UK hot tub: how to choose
Why did my chlorine reading fall to zero by morning?
Can I move from chlorine to bromine without a full drain?
Can a mineral cartridge sanitise a hot tub by itself?
Where does my chlorine go so quickly in the summer?
Free chlorine and total chlorine: what sets them apart?
Are swimming pool chlorine tablets safe in a hot tub?
Test strips or a photometer: how much accuracy do you need?
Why doesn't my bromine smell like chlorine?
Salt water hot tubs: is a chlorinator a genuine alternative?
ORP explained: is it something you should worry about?
Cyanuric acid stabiliser: helpful or harmful in a hot tub?
Why are chlorine tablets such a popular biocide?
GB BPR Biocidal Product Regulations Explained
The Consequences of Not Using BPR-Compliant Products