A specialised concentrated rinse additive for use through the integral cleaning system on combination ovens.   Koral neutralises any alkaline detergent residues and ensures an effective rinse process. Koral will reduce water spot marking and help to control water scale if used regularly.   Suitable for use in both atmospheric and non-atmospheric (pressurised) ovens.   WRC category: 3 (atmospheric ovens); 4 (non-atmospheric ovens)