Natural Thickener for Hot & Cold Liquids. Each box includes 30 individual serving 2.4g sticks. Each stick (2.4g) thickens 5-6 fl oz to mildly thick (nectar) or 3-4 fl oz to moderately thick (honey). Purathick increases the viscosity (thickness) of cold and hot liquids effectively. Thickened beverages are sometimes recommended for the management of ..