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Q: What is the voltage?

Asked by Scooby on 2019-12-14 07:57:14

MichelReij Optimal voltage is around 4V, like between 3.5 and 4.2V. So you can power it with a LiPo.

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Q: how many is needed to generate co2?

Asked by rodrigoratan on 2019-09-07 13:37:43

MichelReij You will need two of these. The first one goes on a bottle containing water, sugar and yeast. One of the tube leads must be closed off with a bit of tube that is folded over and taped to make it airtight. The other tube leads to a second bottle, containing only water, less than half full. This is the washer bottle. The tube coming from the first bottle must be extended inside the second bottle to end up under the water. The outgoing tube can then lead the CO2 to wherever you need it. Have fun!

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