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  • Fix a Disposable Foam Pump

    A couple more tips: To remove excess water from inside mixing chamber (which can lead to frothy soap), unscrew and remove pump top (without disassembling), shake off excess soap, then rinse off soap straw and invert the whole mechanism over the sink. While depressing pump top with fingers, blow through the soap straw to expel excess water.Another tip I learned after much experimentation. Sometimes the soap would be watery, and other times too thick to pump. It had to do with the soap to water ratio: too much water results in watery, bubbly froth; too much soap results in a mixture that is too thick, and won't pump. When I filled the bottles, I started marking a level line with a Sharpie denoting the top of the added soap. (The water line was always marked at the bottom of the "piston…

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    A couple more tips: To remove excess water from inside mixing chamber (which can lead to frothy soap), unscrew and remove pump top (without disassembling), shake off excess soap, then rinse off soap straw and invert the whole mechanism over the sink. While depressing pump top with fingers, blow through the soap straw to expel excess water.Another tip I learned after much experimentation. Sometimes the soap would be watery, and other times too thick to pump. It had to do with the soap to water ratio: too much water results in watery, bubbly froth; too much soap results in a mixture that is too thick, and won't pump. When I filled the bottles, I started marking a level line with a Sharpie denoting the top of the added soap. (The water line was always marked at the bottom of the "piston" of the mixing chamber; you don't want the soap to overflow when you screw on the top.) After I achieved the perfect foam consistency, I marked all bottles the same.I decided to measure how many tablespoons of soap and water were represented by my fill lines to see what the "ideal" ratio was. It turned out to be 7T soap and 9T water, or 43.75% soap and 56.25% water.** Add the soap to the level line first; slowly add water to second level line. Do not shake; stir thoroughly with a spoon handle.**My bottles are 250 mL (8.5 oz). To calculate amount of soap needed for a larger container, count the total number of tablespoons of water to fill container to bottom of mixing chamber; multiply by 0.4375 to give T of soap needed.

    By the way, there have been several comments about not being able to get the pump apart. Mine also---the mixing chamber assembly---did not seem to want to come out of the gasket. I was eventually able to get it apart by pushing hard sideways against the lower part of the mixing chamber above the soap straw. Let it sit out for a while so that's it's dry, and you can hold onto the outside of the gasket and pump spring.I did this on the countertop. For me, there was no danger of losing the little bead until you pull the pump spring and plunger mechanism out of the inside. After you do that, when you tip the now-empty pump spring upside down, the bead will fall out. (Hold the cup of the empty pump spring against a paper towel before inverting it.)A word of warning: I decided to put the bead i…

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    By the way, there have been several comments about not being able to get the pump apart. Mine also---the mixing chamber assembly---did not seem to want to come out of the gasket. I was eventually able to get it apart by pushing hard sideways against the lower part of the mixing chamber above the soap straw. Let it sit out for a while so that's it's dry, and you can hold onto the outside of the gasket and pump spring.I did this on the countertop. For me, there was no danger of losing the little bead until you pull the pump spring and plunger mechanism out of the inside. After you do that, when you tip the now-empty pump spring upside down, the bead will fall out. (Hold the cup of the empty pump spring against a paper towel before inverting it.)A word of warning: I decided to put the bead in an 8-oz cocktail (lowball) glass for safekeeping. When I dropped it in from about rim height, it bounced almost as high as the rim, then bounced around the inside of the glass like a pinball. Whatever it's made of, it's super bouncy. If you drop it off a counter, it will probably bounce into the next county, and will be impossible to find!

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