Yeah, I currently use razor blades but they're thin. I want something wider that I can use more regularly and not have to get my hands wet. I have to put on long gloves to put my arms in my tanks because out of the blue a few years ago my allergies went wild, and something in my reef tanks makes me break out. Diving in the ocean is fine, but not the reef tank water for some reason.Warner single edge blade. It’s more manual labor but cuts through gunk like butter