Condition	Start pH	Final pH
"Petri Dish, HEPES+"	7.48	8.96
"Tube, HEPES+"	7.48	7.77
"Petri Dish, HEPES-"	8.06	9.28
"Tube, HEPES-"	8.06	8.44
"Fully Evaporated, HEPES-"	7.26	9.51