Calcium Up 4kg - Retail (Calcium Hardness Increaser)

Pool Chemicals - Pool Balancers
Calcium Chloride (Calcium Up) is used to raise the Calcium Hardness level in both swimming pools and spa's. Platinum Pool Centre sell in store and deliver Zodiac Calcium Up (Calcium Hardness Increa...

Calcium Chloride (Calcium Up) is used to raise the Calcium Hardness level in both swimming pools and spa's. Platinum Pool Centre sell in store and deliver Zodiac Calcium Up (Calcium Hardness Increaser) to commercial, strata and residential customers to all suburbs of the Gold Coast and some suburbs in northern New South Wales. 

Active Constituent: Calcium Chloride


  • Increases level of calcium in pool water
  • Raises total hardness in water
  • Promotes improved water balance
  • Assists in protecting pool equipment and helps prevent corrosion
  • Assists in protecting pool surfaces thus safeguarding their condition
  • Prevents weakness in vinyl liners
  • Classified as Non-Dangerous goods for transport and storage purposes

Requires amount: Calcium Hardness requirements change depending on a number of factors including what type of pool surface finish and the type of sanitising system you have. 

Broad Calcium Hardness range - 200-350ppm

Application: Product should be pre-dissolved in a bucket of water adding 2KG to 5 Litres of water.  If more than 6KG is needed per 50,000 Litres of pool water dose separately and apply at least 12hrs apart

Dosage Rate: 500g per 50,000lts to raise alkalinity by 10ppm (parts per million)

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc). You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days). If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations. When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page. Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Instore Only Products

Some of the products we advertise for sale on this website are for pick up instore or local delivery only. While we do our best to explain this in the individual product listing how each product can be purchased there may have been a few that slipped through the cracks. If the particular product you are looking to purchase does not display a price or have an active shopping cart it is likely an instore only product and is available for purchase instore or for local delivery only.

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