Poolstar Hichlor Unstabilised Hypochlorite Granules 4kg SKU: 065365 MODEL: ASG4560 Error. try again later You've successfully joined the club $ 41 .98 each Available on orders $50 to $1500. More info × Mitre 10 Variants Suitable for daily chlorination or shock dosing. Granular form of chlorine with low residue formulation. Features and benefits Requires pre-mixing in water. Unstabilised.