EcoNow Drain & Pipe Oxy-Tabs utilize OXY-TAB technology which provides oxygen, adds enzymes that encourage the breakdown of household debris, waste, grease, and other stuff to help remove Build-Up in pipes, drains, sinks, showers, toilets, garbage disposals, and main lines leading to septic tanks and sewer lines. It helps to prevent blockage, clogs and the issues associated with it. OXY-TAB technology does 3 things: 1) eliminates odors, 2) Formula bubbles and fizzes to cover all pipe and drain walls and 3) is environmentally friendly, non-hazardous and biodegradable. Dissolves in water for easy application.