 How big is the crack? It's not huge. Not like it's, yeah, no, it's not like it's three inches big now. It's small still. It's opening up. The caulking isn't covering the crack anymore. So I'd say about quarter inch. All right. It's not bad. So there's a couple of things you can do here. First of all, you do need to clean out that old caulk and reseal this one way or the other. Quikrete has a product that's made specifically for concrete slabs called