A tool for use on safety showers may include a funnel, a drain system, a base, and a height adjustment mechanism. The funnel has an interior with a width wider than a showerhead of the safety shower, so that a showerhead may fit within or seal against the interior of the funnel. The drain system connected to conduct a flow from the funnel. The base supports the drain system and the funnel and may be placed on a floor beneath the showerhead, and the height adjustment mechanism may be coupled to control a height of the funnel and control sealing pressure that the funnel applies to a showerhead.
