After backwashing, it's a good idea to rinse for 15-20 seconds to remove any residual dirt that may "poof!" back into your pool after backwashing. Rinse flows through the water in filter fashion, say, top to bottom, but effluent is sent out the waste line.
That portion of the regeneration cycle of an ion exchanger in which fresh water is passed through the column to remove spent and excess regenerant, prior to placing the system in service.
the removal of soap with clean water in the final stage of washing
washing lightly without soap
wash off soap or remaining dirt
clean with some chemical process
Garments are washed with softener to soften the fabric and this process can be done with clear softener where it only makes a softer touch. A black softener can also be used to achieve a softer touch and to darken the denim.
That part of the regeneration cycle of a water softener where fresh water is introduced to remove spent regenerant and excess salt prior to placing the softener into service.
In softening or ion exchange applications, the step in the regeneration process in which fresh water is passed through the bed of resin to remove any excess or spent regenerant prior to placing the softener into service.
brief clean water wash between steps of a processing cycle to reduce carry-over of one solution into another.