There are many factors involved in shower/spray rinsing, having my filter flo in front of the bathtub and having the shower thing from it reaching the tub I did every possible experiment during the time, I also tried spraying with drain hose and soapy water simulating what calypso does...you know, just silly playing around and doing "experiments"....we all like to play or did experiments with our machines..no?
Taking about rinse:
I think the typical spray rinse in "traditional" machines is great to guarantee a good deep rinse, making one enough most of the times or anyway often, this instead of two that may be excessive and result wasteful.
Shower/spray rinsing system:
Yes with the right techniques you may actually get an acceptable rinse in some cases, low spin, damp, spin higher, slow damp and higher again subsequently is what I found most effective and so continued until you don't see anynore traces of soap in the drain water and made sure all got through enough evenly, much depends on load composition (type of fibers) and size of load so thickness of the layer of clothes you have..but generally larger loads do not get rinsed well, at least a part does others doesn't or not evenly, anyway nor nearly acceptable as they will not be evenly rinsed....much more noticeable on colors also after dry.
Clothes over clothes ie layered clothes never works well for that matter, and especially not for washing IMO which is well different than rinsing soap or detergents, much is also dictated by the pressure/ centrifugal force these clothes are subject to, ..less fast-less compact, but as long as you need clothes pressed by centrifugal force in the tub sides they will be passed through by water more easily or less easily according also to other factors, but surely not as if they were freely soaked in water and agitated, the effectiveness also hugely depends on how much stuff and what stuff there's behind them (thicker or thinner layer of clothes) , what clothes composition is, etc....
This is also a thing you'll experience if you have a twin tub, the procedure of my servis infact states filling spinner cylinder for some minutes and activate the spinner with water still running in order to keep a constant flow of water and keep spinner going slower...if you try to spray rinse as it kicks a greater speed you'll notice how water instead of going through the clothes will glide over them and will move vertically instead of horizontally....in a top loader it happens the same.
Me almost never running partial loads would not want to go with a shower rinse-spin only as I could see how this may often not bring to what I define well rinsed and anyway nor great, but I cannot really say it being unuseful, in certain cases it's possible it provides a good rinse, but cannot though see a washing machine for how "intelligent" it is being able to determine how and when it's been effective or not, no even having an hypothetical sensor to test detergent concentration in drain water, as there are others factors than that and that a machine cannot see, I think that to today nothing can be a reliable substitute for human eye and mind for that matter, but that's my opinion about...[this post was last edited: 6/20/2014-10:41]
