Aquafresh pool sanitiser is formulated to prevent the growth of various pathogens that can cause disease in pools. Aquafresh pool sanitisers benefits and features size: 2.5l non-chlorine sanitiser. It has been specially formulated to prevent the growth of various pathogens that can cause disease in pools. It is especially ideal for allergy sufferers, including those who endure asthma or skin problems. It is gentle on skin, hair, and clothing. Pool owners will not be breathing in chemical fumes as may be the case when using some other sanitisers. May be used in all types of pool finishes. It has no effect on heaters thus giving longer heater life. It is non-foaming meaning that it will not block filters. Not messy. Does not contain salt or minerals such as magnesium. how to use aquafresh pool sanitiser dosage: 60ml per 10,000l of pool water. Repeat every week or as necessary. when purchasing, tap the edit cart link to see what freight you pay.