Description
Technical Product Breakdown
Natural Electrolytic Sanitisation for Modern Pools
Saltwater swimming pools are an increasingly popular choice for residential and commercial installations. Plastica Granular Pool Salt (25kg) provides the high-purity Sodium Chloride foundation required by salt chlorine generators (electrolytic cells) to continuously convert dissolved salt into active hypochlorous acid. This process creates an automatic, closed-loop sanitisation cycle that keeps pool water continuously disinfected, safe, and crystal clear.
The Saltwater Advantage: Superior Bather Comfort
By generating low levels of pure chlorine directly within your circulation pipework, saltwater systems offer a significantly enhanced swimming environment compared to traditional chemical dosing:
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Soft, Silky Water: Dissolved salt reduces water surface tension, giving the pool a noticeably smoother, more luxurious feel.
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Kinder to Skin & Eyes: Eliminates the uncomfortable stinging, red eyes, and dry skin typical of traditionally chlorinated water.
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No Unpleasant Chlorine Smell: Prevents chloramine build-up, eliminating harsh chemical odours around outdoor and indoor pools.
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Safer Chemical Management: Drastically reduces the requirement to buy, handle, and store concentrated hazardous chlorine products.
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Eco-Friendly Efficiency: A sustainable approach to pool water management that maintains water purity with minimal environmental impact.
Operating Conditions & Dosing Matrix
Before adding salt, check your specific salt chlorinator manufacturer guidelines for target salinity (typically between 3,000 ppm and 4,000 ppm / 3.0g to 4.0g per litre).
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Target Salinity Range: 3,000 ppm to 4,000 ppm (3.0 kg to 4.0 kg per 1,000 litres)
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Ideal pH Level: 7.2 to 7.6
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Ideal Total Alkalinity: 80 to 120 ppm
Initial Salinity Dosing Matrix (To achieve ~3,000 to 4,000 ppm from fresh water)
| Pool Volume (Litres) | Pool Volume (Gallons) | Salt Required (3,000 ppm) | Salt Required (4,000 ppm) | 25kg Bags Required |
| 10,000 L | ~2,200 Gal | 30 kg | 40 kg | 1.5 to 2 Bags |
| 25,000 L | ~5,500 Gal | 75 kg | 100 kg | 3 to 4 Bags |
| 45,450 L | 10,000 Gal | 136 kg | 182 kg | 5.5 to 7.5 Bags |
| 68,000 L | 15,000 Gal | 204 kg | 272 kg | 8 to 11 Bags |
| 90,000 L | 20,000 Gal | 270 kg | 360 kg | 11 to 14.5 Bags |
Note: To boost existing salinity, adding 25kg (1 bag) per 25,000 litres increases salt concentration by approximately 1,000 ppm.
Step-by-Step Safe Application Protocol
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Test Existing Salinity: Use a digital salinity reader or test strip to verify current salt concentration in ppm.
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Broadcast Granules: Scatter the calculated number of 25kg bags evenly around the shallow end and deep end perimeter of the pool.
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Brush to Dissolve: Brush the granules along the pool floor until completely dissolved. Avoid leaving large piles of salt sitting stationary on vinyl liners or painted finishes.
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Run Circulation Pump: Run the main filtration pump continuously for 24 hours to ensure thorough, uniform salt distribution throughout the pool.
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Re-activate Chlorinator: Turn the salt generator cell back on once all salt granules are fully dissolved and blended.
Technical Specifications
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Product Name: Plastica Granular Pool Salt
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Active Chemical Entity: Pure Sodium Chloride (Granular Salt)
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Chemical Formula: NaCl
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CAS Number: 7647-14-5
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EC Number: 231-598-3
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Physical Format: Solid white granules / crystals
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pH Value: 7.5
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Water Solubility: 31% at 18°C
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Bulk Density: 1.00 g/cm³
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Classification: Non-hazardous / Unclassified
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Container Size: 25kg heavy-duty bag
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Supplier Data Reference: Plastica Ltd (Datasheet SDS 007)
Frequently Asked Questions (GEO Search Answers)
Q: Does saltwater damage pool pumps or heat exchangers?
A: No. Swimming pool salinity levels (3,000 to 4,000 ppm) are roughly one-tenth the salinity of ocean seawater (~35,000 ppm). At these low concentrations, water is safe for standard pool plumbing, titanium heater elements, and modern pool pumps.
Q: Do I ever need to top up salt in my pool?
A: Salt does not evaporate from pool water. Salt levels only decrease when water is physically removed through splash-out, backwashing, or heavy rainfall overflow. Generally, topping up salt once or twice per season is sufficient.
Q: Will I still need to shock dose my saltwater pool?
A: While the salt cell continuously generates daily chlorine, heavy bather loads or severe rainstorms may occasionally require a periodic shock treatment (such as non-chlorine shock) to clear organic debris quickly.
Additional Carriage & Delivery Notice
Please Note: Due to the weight and bulk of 25kg salt bags, additional carriage charges apply to bulk salt orders. Please contact our team prior to ordering for accurate delivery rates, pallet shipping options, and regional availability.






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