A multi-use support or clamping device and method for supporting at least one hose is mountable to a fixture, such as a sink, toilet, or other waste receptacle, for facilitating discharge of a liquid waste directly into the waste receptacle. The multi-use clamping device includes a clamp, a hose support, an attachment mechanism, and an anchoring mechanism. The clamp is removably securable to the waste receptacle or other fixture. The hose support is an elongated cylindrical member having a bore therethrough sized for disposition of at least one hose, such as a dialysis hose, a cable, tubing, or any other elongated piece of material. The anchoring mechanism may be a U-shaped bracket, a plurality of castellation or slots, a spring mechanism, Velcro, a bladder, or any other suitable type of anchoring device for securely holding the hose.