It’s one of those Octaves that was suppressed, because, you know, reasons. But we also celebrate the Baptism of Our Lord today.
The household prayer is traditionally done with a priest and the whole family taking part, but you can do it on your own, in a pinch. Just remember, it’s not you doing the blessing (if you’re a layman), it’s you calling down the blessing from God. God does the blessing.
What you will need is blessed Epiphany water, blessed chalk, and incense. If you don’t have a thurible, you can get a “starter” one on Amazon for under $15. Nice ones are around $100.
Mine is a little banged up, but I can still swing it.
For incense, I highly recommend Holy Rood Guild, Cantica flavored (although their Laudate is also quite good). It’s not cheap, but it will last you a long time. Don’t make the mistake of using too much; it only takes a little to make a lot of smoke. https://www.holyroodguild.com/Incense_Cantica.html
Charcoal on amazon HERE.
Sorry for literally cutting, pasting, and taping the blessing, but here it is: