 they do require maintenance and update whether you do that yourself or you have somebody come in and check them. I highly recommend run your system where you can go out and watch it and make sure you're not just wasting that water or it's not getting to the plant that it needs to get to. And the other thing is run your system and then go out and check how far down that water went. That's a good idea. Yeah. If you've got a skewer or a,