Next, assuming that the water drains properly the initial water level should be set approximately 1 in. into the first clear section above the black sump box. This is not an ordinary skimmer, it will foam completely the rest of the way once it is broken in. Setting the water level too high REDUCES the air produced causing less than optimum skimming.
♦ Always use the lowest possible water setting that will produce dry foam.
♦ It can take from one hour to a week for the E.T.S.S.® to†kick inâ€Â. This depends on a variety of circumstances: organic content of system, type of pump used, water-surface tension, new plumbing, etc.
♦ If you set the initial water level too high, when the E.T.S.S.® “Kicks Inâ€Â, it could overflow and push water out the drain. When the E.T.S.S.® begins to skim, because it is so powerful, it can easily push out tremendous amount of wet foam to the top of the collection cup and out to the waste container. Some aquarists impatiently raise the initial water level too high, trying to make the E.T.S.S.® skim before its time, and wound up with gallons of wet foam in the waste container.
