I used it years ago and i didnt like it. I would thoroughly soak in the morning and by the time i got home it would be bone dry. Perhaps its a different formula now cuz i guess theyre all organic. This year im trying 4 different soils to see what difference they make. I'm using fox farms ocean forest, black magic from home depot, scotts hyponex and expert gardener potting soil. In my opinion though, the type of soil you purchase is only temporarily important because after a month all the nutrient value is virtually gone and you have to start fertilizing anyway. At that point all that really matters is moisture retention in the hot months. Im sure there are people on here that can break it down on a scientific level but i go more by trial and error. My personal favorite is fox farms ocean forest but its expensive.