5kg Fi-Clor Premium 5 Granules
Multi-functional sanitiser containing stablised chlorine, algicide and clarifier.
Perfect for small pools as one bottle contains everything you need.
Active ingredient: Sodium Dichloroisocyanurate Dihydrate
Dosage 180g per 50 cubic metres (6oz per 10,000 gallons).
Don't forget you will need 3 way test strips to test how much to use.