Most of the big box kits come with citric acid to etch ---
I used the rustoleum epoxy kit I tossed the citric and used muratic make sure to follow the instructions religiously - I had to wash the floor with a pressure washer 2 times to get rid of the residue. Make sure to do the test using a piece of plastic taped down to test the moisture in the floor.
FWIW My father dropped a tractor scrape blade from 36" onto my floor and it didn't chip the epoxy. I have had one place to release less than 1" square where I left battery acid on the surface -- and it pulled the floated concrete top off with the epoxy.
I used the valspar grit additive and did not use the colored chips in mine as I wanted a light color which offered a contrast to bolts etc dropped on the floor.
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~JAG~
NCRS#65120
68 GTO HO 4 spd Alpine Blue /Parchment 2 owner car
#21783 71 Corvette LT1 45k miles Orig paint - Brandshatch Green - National Top Flight - last known 71 LT1 built.
71 Corvette LT1 42k miles Original paint - Black - black leather - only black LT1 known to exist.
NUMEROUS Lemans blue Camaros,
Monza Red and Daytona Yellow Corvettes
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