hi there! I use a few oak leaves in my tank along with 3 pieces of driftwood as my tap water is 7.8ph, a little higher than I'd like. I am interested in increasing the leaves and I love the look of tanks with leaf litter and some of the biotope and black water tanks you see. They are amazing! How do any of you leaf litter folks clean/vacuum the substrate? I have been taking out my few leaves and a few other things while I vacuum to ensure I'm not missing big patches of substrate, but if you have lots and lots of leaves and litter, it seems like such an ecosystem all of its own, how do you approach cleaning? Thanks team!