Toilet and Urinal Cleanser & Drain Control Ultra-strength acid detergent removes and dissolves build-ups like lime, organic incrustations, hard water, rust stains, and scale from toilets, urinals, and drain lines. Urinal maintainer fortified with Acrylic Polymer Technology that protects surfaces and prevents soil build-up. Safe on brass, chrome, fiberglass, glass, ceramic, tile, plastic, porcelain, and stainless steel. Brightens and removes stains Restores flow to slow drains Destroys uric acid salt build-ups Fast-acting — contains 20% hydrochloric acid Lemon scented — one step cleaning and deodorizing Added detergents provide cling time on vertical surfaces