Clonex Mist Clonex Mist is a root stimulator to be used on both your mother plants and clones. It is designed to work in conjunction with Clonex Gel to produce vigorous healthy cuttings with strong roots. It is used to mist cuttings at regular intervals during the rooting process. Clonex Mist contains no hormones and is completely safe and non-toxic. It is supplied in a black mister bottle - ready to use - with a full, illustrated instruction sheet.