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SKU: 65356​

Poolstar Calcium Chloride Water Hardness Increaser 2kg

$22.58 each
Available on orders $50 to $3000
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Calcium chloride is vital for your swimming pool as it helps ensure calcium stability, which makes managing the chemical makeup of your pool water easier. Spend less time and money adding chemicals to the pool with less fluctuations in water chemistry.

  • Ensure your pool or spa water is balanced with water hardness in the ideal range
  • Increases alkalinity and stabilises pH levels to optimise sanitiser performance
  • Protects your metal components from corrosion
  • Protects your pool surfaces from pitting due to leaching calcium
  • Recyclable container.
Brand Name
Country Of Origin
New Zealand
Model Number
This item is non deliverable. Careful handling is advised.

Info and Guides


Due to the size, weight or materials involved, this product is currently not able to be delivered. However, you can still buy online and collect this product at your local Mitre 10 or Mitre 10 MEGA store.

No Hassle Returns

We are happy to exchange or refund products within 28 days provided that the product is returned with a valid invoice or delivery docket, and;

  • is unopened and unused

  • in original condition and packaging

  • includes all accessories

  • is not a customised item

Customised products, which include products cut, made-to-measure, special order or mixed to specific requirements, cannot be refunded or exchanged.

Clearance items or products purchased during Clearance events in our stores, cannot be returned or exchanged.

It’s always easiest to return your product to the store you got it from, but you can return it to any Mitre 10 store. If you prefer to courier your product back to us, just check your invoice to see which store dispatched your order and that’s where you send it back to.

We will refund to your original payment method where possible or, if you prefer, we can issue you a Mitre 10 Gift Card for the sum equal to the cost of the product excluding handling and any delivery or returns costs.

If you return products which were purchased in full or part using Airpoints Dollars™ and choose to have your purchase refunded, we’ll refund you in the same proportion of Airpoints Dollars™ and other payment types that were used for the original payment.

Faulty Goods

If a problem occurs with a product purchased from Mitre 10, bring it back to us with your proof of purchase. We will either repair, replace or provide you with a refund, as set out in the Consumer Guarantees Act.