Biologix Nuclease-Free Water by Biologix is multiply distilled, sterile water that is free of nucleases, proteases and pyrogens and contains no DEPC, so it is safe for DEPC-sensitive PCR, qPCR, reverse transcription and enzyme reactions. Conductivity is 10.0 µS/cm or less. Stores at 2–30 °C for 36 months, in 100 mL or 500 mL bottles.