5 litres Blue Horizons Wintertime algicide.

Keeps algae at bay over winter.

The only winterizing treatment you will need.

Contains a Diphosphonic Acid and Polyquaternary Ammonium compound.

Does not contain copper and can be used on any pool including Baquacil pools.

Dosage: 5 litres will treat 15,000 gallons over autumn and winter months.

5 litres should do a pool up to 15ft x 30ft. 10 litres is enough for a 20ft x 40ft pool.

See the advice section for information about winterising your pool.

SPECIAL OFFER - ONE STOP WINTERISING Get a 350g Sachet of quick disolving Rapid Shock for half price when you buy Wintertime.  One 350g sachet will shock 10,000 gallons (45,000 litres). Usual price £7.00, only  £3.50 with a Wintertime purchase. With this Shock Chlorine and the Wintertime you will have all you need to winterise your pool. You cam buy one Rapid shock per 5 ltr Wintertime.