United calls it ESA Technology—you’ll call it just plain smart.
In addition to meeting our Earth Smart® standards, products
featuring ESA Technology:
Dissolves calcium carbonate scale two to three times
faster than phosphoric acid products—four to ten times faster
than products containing citric and glycolic acid and 13 times
faster than products with lactic acid.
Provide huge advantages over hydrochloric acid products in
terms of using, shipping and storing.
Are much safer to use than conventional acid products as
they are rated no higher than one in the health category of
the HMIS numbers.
Are less aggressive to soft metals including steel, brass,
chrome, copper and aluminum than traditional acids.
Are classified as non-regulated by the Department of
Transportation, eliminating hazardous shipping surcharges.