Marimex Szok Shock Chlor is a 0.9 kg container of fast-dissolving chlorine shock granules formulated for shock chlorination of swimming pools. The product raises free chlorine quickly to eliminate bacteria, algae and organic contaminants after heavy bather load, storm runoff or visible contamination. Packaged as a granular disinfectant, it is intended for periodic intensive treatment to restore water clarity and sanitization when routine dosing is insufficient.
Advantages
The granular form allows rapid dissolution and fast release of active chlorine into pool water, enabling swift correction of chlorine levels. Designed for shock treatments, the formula provides effective oxidation of organic matter and reduction of algae growth when used according to instructions. The compact 0.9 kg container is convenient for occasional shock dosing and short-term storage, and is compatible with typical pool circulation and filtration systems.
Suitable for
- Residential outdoor and indoor swimming pools requiring periodic shock treatment
- Pools after heavy use or public events to quickly restore sanitary conditions
- Post-storm or contamination treatment to remove organics and clear water
- Algae control as part of a shock-and-brush maintenance routine
When it may not be suitable
This product is intended for shock chlorination and not for continuous routine dosing; it should not replace regular stabilised chlorine tablets or slow-release systems. Granular shock chlorines can raise chlorine concentration and affect pH briefly, so use with care in pools with delicate finishes, newly installed liners or in situations where immediate pool use is required.
Key specifications
- Form: fast-dissolving chlorine granules
- Net weight: 0.9 kg
- Primary use: shock chlorination and rapid disinfection
- Action: oxidises organic contaminants, reduces algae and bacteria
- Compatibility: suitable for use with standard pool filtration and circulation systems
How to use
Calculate the required dose based on pool volume and the target free chlorine level, then pre-dissolve the recommended amount in a bucket of water following the manufacturer’s safety guidance. With the pump and circulation running, distribute the solution evenly around the pool perimeter to ensure thorough mixing. Allow the chlorine level to fall to the safe range before permitting swimmers to re-enter the water; retest free chlorine and pH and adjust if necessary.
What to consider before purchase
- Confirm the required shock dose per cubic metre of your pool and how often you plan to shock treat
- Check current pool surface material and finish for chemical compatibility
- Ensure access to protective equipment (gloves, eye protection) and a stable, dry storage location away from children and pets
- Verify that you have a reliable test kit to measure free chlorine and pH after treatment
Usage recommendations
Use Marimex Szok Shock Chlor as part of a regular maintenance plan: shock after heavy bather use, visible algae or after significant rainfall. Always follow dosing instructions, allow adequate circulation time, and confirm chlorine and pH levels before returning the pool to service. Store the container sealed in a cool, dry place away from organic materials and incompatible chemicals.
