I had pavers installed on my patio about 8 years ago. I recently noticed that in some spots there is a visible, 1/8" crack forming between the pavers.
How do I go about sealing/fixing this? I've read online that pavers typically have some kind of sand poured between them to hold them in place, but the material between the pavers seems to be firm and hard (like a grout of some kind) rather than loose or gritty (like I would expect sand to be).
Is this an easy fix, where I can just apply some compound or sand mixture to the gap?