SureCast Stacking Buffer packs are pouches of dry blend powder, each sufficient to make 500 mL of stacking gel buffer (0.5 M Tris-HCl buffer, pH 6.8) for hand-casting polyacrylamide gels. They are easy to use—simply empty the contents of one pouch into a beaker, add ultrapure water, and stir to dissolve.

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