Water Hardener - Calcium Chloride
$20.37
Water Hardener – Calcium Chloride – Raises calcium hardness in pool water to help protect equipment and pool surfaces in soft water conditions.
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PRODUCT INFO
Pool Master Water Hardener is formulated to increase calcium hardness in swimming pools and spas, protecting metal parts, heaters, and pool surfaces from corrosion and etching. Ideal for use in soft water areas, this premium-grade product keeps your water balanced and extends the lifespan of pool equipment.
Prevents corrosion of pumps, heaters, and fittings
Helps avoid etching and staining of concrete and plaster surfaces
Maintains correct calcium hardness for balanced, healthy water
Easy to dose—simply follow directions for safe application
Suitable for all pool and spa types
Manufactured to strict NZ quality standards
Keep your pool or spa in optimal condition—trusted by Kiwi pool professionals. For best results, always follow label instructions and recommended calcium hardness levels.
RETURN & REFUND POLICY
We accept returns on all unopened chemical products within 14 days of delivery. For returns, exchanges, or product concerns, please contact our team with your order details.
SHIPPING & DELIVERY
Made to order and shipped NZ-wide Most products are processed within 1–3 business days, and made-to-order items usually dispatch within 5–10 business days. Rural deliveries may take slightly longer.
Courier & Freight Services All orders are shipped through Aramex New Zealand (Platinum Tier) or approved freight partners. Delivery timeframes:
North Island: Next working day target
South Island: 2–3 working days target
Rural Delivery (RD): Add 1–3 days
Shipping costs are automatically calculated at checkout based on your selected Aramex Zone (Z1–Z5). Freight for oversize or heavy items (over 25 kg / 1.2 m) is confirmed by our logistics team before dispatch.
Dangerous Goods (DG) Certain products (e.g. pool chemicals, acids, oxidisers, flammable products) are classified as Dangerous Goods and incur a $5.00 + GST handling surcharge per parcel, applied automatically at checkout. DG items may require additional processing time or restricted service areas under Aramex NZ policy.
Freight Access Requirements Please ensure safe, unobstructed access for delivery. Delivery is to curbside or the nearest accessible point and does not include installation or site placement.
Tracking & Support Tracking details will be emailed once your order has been dispatched. For assistance or urgent delivery enquiries, contact info@aquatech.co.nz or call 09 636 9921.
For detailed rates and zone maps, see the Reference Documents section on our Shipping, Returns & Warranty Policy page.
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