Help ID this plant

I bought this at a farmers market. I'm thinking its some kind of aloe, but would love to know the varietal if anyone can identify it! This plant is thriving in a shallow pot and is so thick I can't even get my finger in to feel the soil!
Does anyone have advice for watering a plant like this? I don't want water to settle and rot the foliage.
q help id this plant, gardening, plant id
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