Iluka Hardup - Calcium Hardness Increaser

Iluka Hardup increases the Calcium Hardness level in spa & hot tub water. Water low in calcium can corrode equipment, etch concret and grouted surfaces, and provide and environment favourable to algal growth.

This range provides everytrhing you need to enjoy a healthy bathing experience, maintain crystal clear water, and minimise chemical usage. 

• Iluka Start-up Kits - Bliss, Seachange, Purify, Brilliance, Klenz, Elevate, Descend, Hardup, 3 in 1 test strips, water sample bottle, 60ml Measuring Cup. We also recommend you add a 1kg Iluka Eliminate
• Iluka Bliss - Sea minerals
• Iluka Seachange - Oceanic ingredients
• Iluka Brilliance - Water Polisher
• Iluka Purify - Sanitiser
• Iluka Eliminate - Chlorine-Free Oxidiser
• Iluka Elevate - Total Alkalinity & pH Increaser
• Iluka Descend - pH Reducer
• Iluka Hardup - Calcium Hardness Increaser
• Iluka Klenz - Cartridge & Surface Cleaner
• Iluka Purge - Pipe & Biofilm Remover
• Iluka Sudsaway - Foam Remover

Note: Dry chemicals are sold by weight, not volume. Due to differing densities of various chemicals, some containers may not appear 'full' when they are actually the correct weight.