Dishwasher soap. Liquid or powder?
 

mike korenchuk wrote

Will liquid prolong the life of the machine?

Unlikely although I know of no definitive studies which have been done.

Is there any advantage to either?

Liquid is sure to dissolve even if you only use mildly hot water for
washing. It does seem to foam more than powder/crystals do (which is bad in
a dishwasher) and why most appliance service technicians prefer customers
use the latter.

Dan O.
-
Appliance411.com
http://ng.Appliance411.com/?ref411=dishwasher+detergent

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Dishwasher soap. Liquid or powder?
 

Will liquid prolong the life of the machine?
Is there any advantage to either?

Jim Kent wrote

I've never seen any well-documented research
on the subject. The machine manufacturers
probably have some idea, but I wouldn't expect
them to release that publicly for fear of offending
the detergent manufacturers.

Anecdotally: I used to use Cascade powder and
had what I thought was more abrasion of glassware
(hazing) than one should expect.

If the hazing/filming can be washed off, it is likely hard water film in
which case adjusting the amount of detergent being used and using a rinse
aid may be necessary.

If the hazing doesn't wash off, it is likely 'etching' which can be caused
by prerinsing dishes so the detergent doesn't have enough food soils to act
upon, using the incorrect amount of detergent for the degree of water
hardness and wash water being too high. Most dishwasher and detergent
manufacturers recommend a wash water temperature between 120° and 140°F.

JFYI

Dan O.
-
Appliance411.com
http://ng.Appliance411.com/?ref411=dishwasher+detergent

=Ð~~~~~~

Dishwasher soap. Liquid or powder?
 

Dan O. wrote:

Liquid is sure to dissolve even if you only use mildly hot water for
washing. It does seem to foam more than powder/crystals do (which is bad in
a dishwasher) and why most appliance service technicians prefer customers
use the latter.

The powder also tends to gum up the dispenser more easily which may be
another reason that service techs prefer customers use it. ;-)