MegaMix is a complete freeze / thaw, stable, high-performance PCR Master Mix containing all the basic components required for PCR amplification; a licensed Taq DNA polymerase, dNTP's, MgCl2, reaction buffer and a superb enzyme stabilizer. To set up a PCR reaction, simply thaw MegaMix, aliquot the desired volume and add DNA and primers. MegaMix Blue also contains a blue gel loading dye. After your PCR just load directly onto electrophoresis gel. No Loading Buffer Required. Many other mixes are available with or without loading dyes, at various strengths and concentrations. Please inquire.