Coors Brewers has underlined its commitment to premium packaged spirit Reef by launching a new burst of national TV advertising. It has created a new ad for the campaign, which will be shown on national TV and satellite from Friday. This is part of a £9m marketing investment in the brand this year which features 22 weeks of TV ads. Reef is one of the brewer's key brands alongside Grolsch, Carling and Worthington. {{DRINKS }}