LeGene PCR Mix Sky Blue is a ready-to-use and ready-to-load reaction cocktail for PCR amplification up to 4 kb. It’s a 2X concentrated formulation that contains all necessary components including DnaUs Taq DNA polymerase, magnesium, dNTPs, glycerol, and sky blue color tracking dye, except primers and template. Reagents sufficient for 250 PCR amplification reactions of 50 µl reaction volume.