For making jams and marmalades. For making superior jams and marmalades. Jams made with Certo require less boiling, and retain the full flavour and colour of the fruit. 2 1/4lb (1kg) fruit, 3 tablespoons (3 x 15ml spoons) fresh lemon juice, 3lb (1.4kg) sugar, 1/2 bottle Certo (125ml).
