Introduction: The project was successful in obtaining eight different brands of new toilet tanks in the 3.5 gals-per-flish-bariety, and two used ones requiring 5.0 gals per flish. The tanks were installed on a t atime on a padded stell frame and connected to a water supply. The float was adjusted to maintain the water in the tank at the level recommended by the manufacturer. When the flush and shut-off mechanisms were adjusted properly, the testing begain.
Israelsen, C. Earl and Urroz, Gilberto, "Effectiveness Determination of Two Different Water-Saving Devices for Toilet Tanks" (1993). Reports. Paper 360.