Learn how to use this product biotechrabbit™ PCR Grade Water is a sterile filtered and ultrapure deionized water prepared by a proprietary process without chemicals such as DEPC (diethylpyrocarbonate). The water is free from DNase, RNase, protease, and bioburden contaminations. It can be used, for example, in standard and enhanced (q)PCR, buffer preparations, and all other molecular biology applications.