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Welcome to pool season! We are your trusted resource for all pool and spa needs, supplying everything you need to open and maintain your pool. Shop now and be the first ones in the water this summer.
Welcome to pool season! We are your trusted resource for all pool and spa needs, supplying everything you need to open and maintain your pool. Shop now and be the first ones in the water this summer.

HTH Extra Super Shock - 15kg - 30641

In-Store Exclusive
$179.99
SKU 10002715

limit 4 per customer

Buy Online, Pickup in Store for FREE!

The shipping of this item is regulated; our carriers are unable to provide Home Delivery.

Shock at least once a week to maintain sparkling blue, crystal clear water. Use our premium shock products at least once a week to give your pool the boost of chlorine it needs, kill unwanted bacteria and algae, and keep your water as clean and clear as can be. Shocks are an essential problem solver as well a great preventive medicine for your pool.


FEATURES & BENEFITS
FAST ACTING AND POWERFUL!

  • 15% Stronger than regular HTH Shock!
  • Contains 75% available chlorine.
  • Fast dissolving, EXTRA FINE, formula is made from a patented process.
  • Ideal for weekly shock treatments and killing algae.
  • Calcium Hypochlorite
  • Always test and ensure pH is between 7.2 and 7.6 before shocking
  • Test chlorine levels regularly
  • Shock after heavy use of pool and after rain as rain can introduce organic contaminants

Customer Reviews

Based on 5 reviews
80%
(4)
0%
(0)
20%
(1)
0%
(0)
0%
(0)
M
Mark Harwood

Love it highly recommend

S
Steve Goren

Great

H
Harry Gorman

HTH Extra Super Shock - 15kg - 30641

J
JOHN TAVARES

HTH Extra Super Shock - 15kg - 30641

D
David Dodgson

HTH Extra Super Shock - 15kg - 30641

Customer Reviews

Based on 5 reviews
80%
(4)
0%
(0)
20%
(1)
0%
(0)
0%
(0)
M
Mark Harwood

Love it highly recommend

S
Steve Goren

Great

H
Harry Gorman

HTH Extra Super Shock - 15kg - 30641

J
JOHN TAVARES

HTH Extra Super Shock - 15kg - 30641

D
David Dodgson

HTH Extra Super Shock - 15kg - 30641