Clearwater CH0019 1 kg Multifunction Chlorine Tablets, 4-in-1 Dispenser Tablets (Sanitiser, Stabiliser, Algaecide and Clarifier) for Pools and Hot Tubs, 50 x 20 g : Amazon.co.uk: Garden
Clorox Pool&Spa 3.75-lb Bucket 1-in Pool Chlorine Tabs at Lowes.com
Chlorine Tablets-1 Inch - BackyardCityPools.com
Pool Water Treatment - Pool Sanitizers - Frazer, PA
Clorox Pool&Spa 4-lb 1-in Chlorine Tablets at Lowes.com