An Earth Smart® Acid based washroom cleaner for use in most hard surfaces. Viscous formula quickly removes rust, lime, scale, uric acid and other deposits. Will not react with metal surfaces.

A safe and economical Earth Smart® Acid swimming pool tile cleaner and renovator that clings to vertical surfaces.

We've harnessed the power of United's Earth Smart® Acid Technology into this slow-release urinal block that will work to help keep urinal drains free of scale build-up, while also neutralizing odors. The flexible screen conforms to fit most urinals to keep debris such as paper and cigarette butts from clogging the drain lines. Safe for use with water-less urinals. Lasts up to 90 days.

Vanquish the toughest of scale build-up with ESA VERTICAL VANQUISHER. Specifically formulated to cling to vertical surfaces for an hour, to dissolve and break through scale. This Earth Smart® Acid formulation is non-corrosive to most metals and will quickly remove lime, rust, calcium, scale and hard water deposits from a variety of acid resistant surfaces. Safer than traditional acids, it will dissolve calcium carbonate scale two to three times faster than phosphoric acid.

Power away the toughest bathroom scale and scum with this Earth Smart® Acid based cleaner-descaler. Safe for use on most acid-resistant hard surfaces, including tile and grout, glass, chrome and stainless steel. Thick, gelled formulation can cling to vertical surfaces for an hour, to allow added contact time to break through the toughest of scale and build-up. Removes rust, lime, scale, uric acid and other deposits. Will not react with metal surfaces.

An Earth Smart® Acid urinal line renovator. Much less aggressive to metal surfaces than phosphoric and other acids.

Quick, efficient wipes remove scale, lime, soap scum & water spots from hard surfaces. Made with United’s top descaling formula & fresh botanical fragrance.

This product is designed for use in dialysis distribution cabinets, chase lines and water treatment rooms to remove yellow and rust colored stains resulting from Bi-Carb Machines and the water treatment process. The Earth Smart® Acid formulation is non-corrosive to most metals and will quickly remove lime, rust, calcium, scale and hard water deposits from a variety of acid resistant surfaces.

Earth Smart® acid safely removes lime, rust, calcium, scale & hard water deposits from acid-resistant surfaces. Non-corrosive to most metals, dissolves calcium carbonate 2–3× faster than phosphoric acid.

An Earth Smart® Acid formulation for descaling boilers. Removes rust, lime, water hardness scale and oxidation with a blend of penetrants and corrosion inhibitors. Much less harmful to metal than hydrochloric or phosphoric acid. Color indicator to show when descaling is finished.

Dissolves lime, calcium carbonate & scale 2–3× faster than phosphoric acid. Powered by Earth Smart® Acid Technology, safer on metals & skin. Phosphate- & VOC-free.

An Earth Smart® Acid formula for descaling all cooling towers, including galvanic. Removes rust, lime, water hardness scale, and oxidation with a blend of penetrants and corrosion inhibitors. Much less aggressive to galvanic metal than sulfamic acid. Color indicator to show when descaling is finished.