After many trips to Home Depot I got the right stuff for the anchor bolts (that fits a regular caulking gun).
It's called Sika Pro Select AnchorFix-1. The epoxy hardens super fast. I filled one hole with the stuff and then filled the other. I installed the bolt in the second hole and went back to the first. The epoxy had already began to harden. I had to put the nut on the bolt and pound it down into the hole.
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