Easiest way I have found is with an aeroponic clone machine (that clone king recommendation is good. Cheapest aero cloners I know of and they are nice. You can get it on Amazon, but I ordered directly from Harrigan’s hydro (that’s who makes it). They have a newer model than the one shown in the pics. It has a much nicer molded plastic lid now.
It’s basically Just set and forget in the aero cloner. Do a water change once a week minimum and that’s about it.
I use plain water, or water + 1/4 tsp of bloom (0-5-4). Or I add 1/4 to 1/2 tsp of Hormex liquid if it’s a tough to root strain or older, woody stems.
I do still use rockwool cubes sometimes. Here’s a good OG tutorial on rockwool cloning that’s similar to the method I use: