Solera Aged Rum700ML. 45. 5% ALC VOL. Contains approximately 25 Standard Drinks. At Last Light we use a system of fractional blending, called a solera. This is because none of us are trained blenders. So this technique, famously used in sherry, port and madeira, allows us to mature and blend different batches of rum simultaneously and helps us create a balanced and consistent maturation profile, without any of our untrained noses messing up the final blend. In a