100 bp dsDNA Ladder from 100 bp to 1500 bp with 500 bp orientation band in 1X loading buffer at 20 ng/uL. The blue tracking dyes run at approximately 1.5 kb and 200 bp in a 1% agarose gel. 1.5 mL ladder for 1500 gel lanes, plus one vial of 1.5 mL 6X DNA Loading Buffer for other samples.