 Take the top off and you can actually put your plant food right inside of it. And because there's a nozzle, you can adjust how much water is going into it and not into it. It's just really a cool feature that it has. Anyway, so then you put the back on. So what I would do is, and you've heard me talk about it before over here, and this is what we call a cheap and shameless plug. I'm not getting paid for this, but it's important.