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[deleted] t1_iuhn1cn wrote

[deleted]

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lipspliff OP t1_iuhoxht wrote

Science and math! Or a scale with a tare button and an empty cannister.

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AwDuck t1_iuhofvr wrote

OP probably tared the empty cylinder. There's no way an empty soda stream bottle weighs less than a pound, much less one filled with CO2 - they hold about 14 oz of CO2, or roughly 400g.

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