Please note that none of our enzymes are to be considered as being of Food Grade Standard and are not fit for human consumption. They are only suitable for use in education.Our excellent range of enzyme kits are ideal for project work by individual students or small groups of students.This Urease Enzyme Project Pack contains all the reagents necessary to carry out experiments into the effect of enzyme and buffer concentrations on the reaction time of Urease active meal. The kit uses two different indicators so that students can compare the results.The pack includes:Urease Active MealUreaBuffer Powder pH5Buffer Powder pH7Buffer Powder pH7.5Bromothymol Blue IndicatorPhenolphthalein IndicatorFull instructions