2Work BioTech washing up liquid leaves crockery and utensils sparkling clean, preventing redeposition of grease onto crockery, utensils and glassware. The formula removes residue of unnecessary chemicals on dishes and is effective in both hard and soft water. Septic tank-safe, the formula is useful for sites across different regions or with older drainage systems. Formulated from naturally derived biotechnology and eco surfactants, this 5 litre carton of washing up liquid is gentle on hands too. Supplied in a pack of two.