4kg Fi-Clor's Superfast Shock

Formulated with superfine fast disolving granules.

10% more available chlorine than regular Shock Chlorine

No need to pre-disolve in water before using.

Just cast it straight on to the water.

Dose rate: 1kg per 10,000 gallons (45 cu.m.)

Contains Calcium Hypochlorite.

Use this product to 'Shock' your pool for killing algae and breaking down organic contaminants.

Retail Price £47.85