PBST 20X with 2% Tween 20, pH 7.6

200 mM Sodium phosphate, 40 mM potassium phosphate, 54 mM KCl, 2.75 M NaCl, 2% Tween-20 and 0.02% Sodium azide, pH 7.6 ± 0.1. Prepared in 3D water. Shipped at room temperature, store at RT.