I recently bought cacti seedlings. After one month they don't look like cacti. Any ideas on what this might be?
Whatever it is it is getting TOO MUCH WATER and there is no drainage. Needs an awful lot more light. Succulent type/cactus type plants store their own water, they have very shallow roots, need a clay pot that breathes, potting soil for cactus type plants, make the pot wider than tall. Whatever plant this is, there are an awful lot of them. I'd break them up and put them in tiny pots with cactus potting soil, spray with water to moisten only the top 1/2 " of soil, allow to dry a bit before spraying again. Don't worry about fertilizer now, these plants need to get established first. Are these indoor plants?