25% off All Chlorinators Installation from Sydney to Newcastle only. Sale! Astral HALO PH & ORP BUNDLE Request Price This product is already in your quote request list. Browse the list Sale! Astral HALO ACID DOSER KIT COMPLETE BUNDLE Request Price This product is already in your quote request list. Browse the list Sale! Astral Halo Acid Doser kit only Request Price This product is already in your quote request list. Browse the list Sale! Astral HALO LITE 4 Request Price This product is already in your quote request list. Browse the list Sale! Astral HALO LITE 2 Request Price This product is already in your quote request list. Browse the list Sale! Astral HALO XPAND Request Price This product is already in your quote request list. Browse the list Sale! Astral HALO HUB Request Price This product is already in your quote request list. Browse the list