FRENCH DRAIN MAN on Instagram: "Do This First Before Installing a Catch Basin Before you set a catch basin in your French drain system, there’s one critical step that makes all the difference: digging the sump pit correctly. In this video, we’ll show you how to dig a little deeper in just the right spot, ensuring your basin sits perfectly, doesn’t shift, and maintains proper slope. You’ll also see why skipping this step can cause long-term problems with your drainage system, and how doing it rig