Biologix DEPC-Treated Water, Sterile by Biologix is ultrapure water treated with DEPC and then autoclaved, tested free of RNase, DNase and proteinase and containing essentially no residual DEPC. Use it to prepare RNA samples, buffers and reagents. Stores at 2–30 °C for 36 months, in 100 mL or 500 mL bottles.