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Brand: Lawrason's

High-Performance Granular Pool Chlorine for Powerful Sanitizing & Shock Treatment

Wave Later Calcium Hypochlorite 18kg (23068P75) is a professional-grade granular pool sanitizer formulated to deliver rapid disinfection and superior algae control. Containing a high concentration of 65–70% available chlorine, this fast-acting, unstabilized chlorine is ideal for both routine pool maintenance and intensive shock treatments.

Designed for residential and commercial pools, this powerful sanitizer quickly restores water clarity while maintaining safe, balanced swimming conditions.


Key Benefits

Rapid Disinfection Power

Quickly releases active chlorine to eliminate up to 99.9% of bacteria, viruses, and harmful contaminants, helping maintain a safe swimming environment.

Superior Algae Control

Highly effective against green, yellow (mustard), and black algae blooms. Ideal for preventative maintenance and algae recovery treatments.

CYA-Free (Unstabilized Formula)

Unlike stabilized chlorine tablets, this product contains no cyanuric acid (CYA). This prevents overstabilization and chlorine lock, ensuring chlorine remains effective and easy to manage.

Boosts Calcium Hardness

Helps maintain proper calcium levels, protecting plaster and concrete pool surfaces from etching and damage.

Long Shelf Life

The dry granular format offers greater stability and a longer storage life compared to liquid chlorine or bleach.


Ideal For

✔ Inground and above-ground pools
✔ Residential and commercial pools
✔ Routine chlorination programs
✔ Shock treatments after heavy use or storms
✔ Pools requiring CYA-free sanitation


Usage & Dosage Instructions

Daily Maintenance

  • Use 1–2 grams per m³ of water daily.

  • Maintain a free chlorine residual between 1.0–3.0 ppm.

Shock Treatment (Superchlorination)

  • Add 15 grams per m³ for cloudy water, algae outbreaks, or after heavy swimmer load.

Application Method

  • Always pre-dissolve granules in a clean bucket of water.

  • Pour solution evenly around the pool perimeter with the pump running.


Safety & Storage Guidelines

Handling:

  • Wear protective gloves and safety goggles.

  • Never mix with other chemicals — especially acids or stabilized chlorine products.

Storage:

  • Keep in original, tightly sealed container.

  • Store in a cool, dry, well-ventilated area away from moisture and direct sunlight.


Why Choose Wave Later Calcium Hypochlorite 18kg?

  • High 65–70% available chlorine concentration

  • Fast-dissolving, quick-reacting formula

  • Ideal for shock treatments and daily sanitizing

  • Prevents chlorine lock

  • Supports long-term water clarity and sanitation

Wave Later Calcium Hypochlorite 18kg (23068P75) delivers reliable, high-strength chlorine performance for clear, safe, and properly balanced pool water all season long.

Chlorine Granular and Shock - Later Calcium Hypochlorite 18kg (Product #23068P75)

Regular price C$65.79
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