◆ Ultra-safe scale removalRemoves limescale, calcium, rust, barnacles and crustacea while staying low-corrosion, so it will not damage the equipment it cleans. ● Built for marine and saltwaterWorks in saltwater and closed-circuit systems, ideal for vessels, cooling circuits and enclosed spaces. ▲ 100% biodegradable, no PPENon-toxic botanical formula with no harsh acids, safe to release into waterways and worksafe with no PPE for normal use. A non-toxic descaler that clears limescale, calcium and marine growth without corroding sensitive equipment. Triple7 Eco-Scale is a low-corrosion limescale remover built for marine and offshore work, where it cleans saltwater systems, heat exchangers and closed circuits safely. The botanical formula is 100% biodegradable and worksafe, so it can be used in enclosed spaces and released into waterways without harsh acids.