If you have trouble with the pump, particularly the pump "sticking" and not popping back up, check the following things:
Is the soap too thick?
This is a common problem with the pumps. To work in the foam pump bottles the liquid should be water-thin. If it is too thick, the pump won't work properly and/or can be permanently damaged. To resolve, increase the dilution rate or use a different soap.
Is there liquid in the air chamber?
You should see it inside the chamber below the pump. If so, turn it upside down and pump a few times which should get the water out of the air chamber. If that doesn't work (and if you are brave) take the pump apart, clean it completely, dry thoroughly and reassemble.
Is the screen clogged?
Empty the container, and flush with warm water (it won't foam).
If the pump is clogged with dried soap, then use the pump more frequently, keeping the screen cleaned
.If the screen is clogged because of particulants in the soap, use a different liquid soap without particles in it that can clog the screen.
Click Here to find out the Plastic Bottle which can fit these pumps.
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