QuantiTect SYBR Green PCR +UNG Kit (200) The supplied, ready-to-use master mix contains SYBR Green I dye, ROX passive reference dye, HotStarTaq DNA Polymerase, and a dNTP mix in an optimized buffer. The dNTP mix includes dUTP, allowing optional treatment with UNG. The UNG enzyme is provided separately. For convenience, the master mix can be stored at 2–8°C.