For making superior jams and marmalades. Jams made with Certo require less boiling, and retain the full flavour and colour of the fruit. Ingredients Water, gelling agent: pectin (3%), acidity regulators: citric acid, potassium citrate, preservative: potassium sorbate Directions 2 1/4lb (1kg) fruit, 3 tablespoons (3 x 15ml spoons) fresh lemon juice, 3lb (1.4kg) sugar, 1/2 bottle Certo (125ml). 1. Prepare the fruit, crush thoroughly and put in a large pan. 2. Add the lemon juice and sugar to the pan. 3.