Aqua-Guard Pool Products
HTH Extra Super Shock
HTH Extra Super Shock
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A fast acting, fast dissolving, extra strength shock treatment for your pool that controls and eliminates algae and bacteria in the pool water. Super Shock has an available chlorine content of 75%. One dose (454g) is perfect for pools that are 70,000L, so please adjust accordingly. It is recommended to wait 8-12 hours after use to swim.
- Ensure the pump is in operation.
- Add 65g per 10,000L by broadcasting directly onto the surface of the pool’s deep end.
If water is green:
- Ensure the pump is in operation.
- Add 130g per 10,000L by broadcasting directly onto the surface of the pool’s deep end, or near the algae.
- Thoroughly scrub the surface of the pool, vacuum, and cycle through the filter. Repeat treatments may be necessary for complete removal of algae.
Be sure to test your chlorine levels weekly to maintain a reading between 1.0 – 3.0 ppm. Use more frequently in periods of heavy bathing or wet weather.
Available Net Contents: 454g OR 10 x 454g
SDS - Safety Data Sheet
Shipping & Returns
Shipping & Returns
Free shipping over $99 in Canada. Most orders arrive within 2-4 business days - Heat Pumps excluded.
Check out our comprehensive Shipping Policy & Return Policy
Package Contents
Package Contents
454 g of Super Shock per pack
Safe Handling Tips
Safe Handling Tips
- Check all lids, tops, etc., to make sure they are secure.
- Don’t let children handle.
- Never mix different pool chemicals.
- Do not store in damp areas or near heat.
- Never store chlorine and acid together.
We will NOT be responsible for damage caused by careless handling of pool chemicals after they are in your possession.
Pool Volume & Chemical Calculators
Pool Volume & Chemical Calculators
Try out our swimming pool volume and pool chemical dosage calculators to simplify your pool maintenance routine!
High-Quality Pool Care Systems for a Cleaner Pool.
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Free Shipping on Orders Over $99
Shipped to your door, free on orders over $99 in Canada on all products purchased from Aqua-Guard Pool Products.
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Aqua-Guard Alliance
Soft, algae-free, sparkling clear water, 24 hours a day! Made easy with our best-in-class water care system.