have anyone used botanicare clearex salt leaching solution?

hi i was just wondering if neone have used botanicare clearex salt leaching solution? the hydro store told me to rinse the plant with ph adjust water along with botanicare clearex salt leaching solution for 2 days and on the 3rd day rinse with plan water ph adjust but when do u start feeding the plants with nutes? sorry if this topic have be discussed already. please share if u have experience with this product thanks.