Sparkling Rhubarb | Cawston Press Sale! from $3.79 CAD /per Produc variants Default Title Qty. Add to Cart Couldn't load pickup availability Refresh Made with pressed rhubarb, apples & sparkling water. The stuff of crumbles & custards. Using apple juice to sweeten, the naturally occurring malic acid gives us the ‘bite’ we are looking for. 330ml Cans, sometimes contains natural fruit sediment