Description Jacuzzi® Hardness Increaser 1KG Great for increasing spa water hardness – Especially for people living in soft water areas – You would not use this product in hard water area such as Cheshire and Staffordshire – Where Calcium levels are very high. Helps reduce soap scum build up in Jacuzzi pipe work and Jacuzzi water. Can also help prolong the life of Jacuzzi Spa Components.
