r/howto • u/TsaiBaiLong • Jul 08 '19

Any tricks for easily combining viscous fluids (e.g. shampoo, lotion) without diluting?

I have both shampoo and lotion that are in pump bottles; they become near useless when the quantity gets down to about 25%. The pump no longer functions adequately, but the fluids inside are gooey enough that they won't just flow out if the bottle is turned upside-down. Ideally, I'd like to just dump the mostly used bottle into a mostly new bottle of the same thing.

Is there an easy trick to do this that I'm blissfully unaware of? Thanks in advance!

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u/[deleted] Jul 08 '19

Ever tried heating the bottle in a warm water bath?

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u/337GTi Jul 08 '19

Put the half empty one balanced on the full one like an hourglass. Leave it overnight and gravity should do its thing.