Boulder Cleaner Superior Bathroom Cleaner is a multi-purpose cleaner that powerfully removes dirt, soap scum, hard water build up, and mineral stains from bathroom surfaces. It is most effective on tile, bathtubs, shower stalls, water fixtures and faucets, grout, sinks, and countertops. Made of organic salt, natural surfactants and lemon oil without using any chlorine, phosphates, EDTA or NTA, Superior Bathroom Cleaner is biodegradable, hypo-allergenic, non-toxic and safe for our water systems. This gallon refill bottle is a great addition to the spray bottle, allowing you to cut down on excess packaging waste. • * 128 oz. * Biodegradable * Hypo-allergenic * Non-toxic * Multi-surface • Organic salt, natural surfactants and lemon oil • Lemon • Gluten Free