£9.50
Check how well your softener is working or adjust the softness settings. Simple to use colour change tablet test kit for water hardness levels or YES/NO softness testing.
Contains 20 tablets.
Free delivery within 10 working days on all Salt when you spend over £68.
Upgrade to Express Salt delivery guaranteed within 2 working days for just £10.
Orders made from now are not guaranteed delivery before the New Year. We will be shut from 20th December until January 2nd.
