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The greatest creation since sliced bread(r/trees)
Get a Dasani water bottle(preferably one of those little baby ones, so you use less cotton) or whatever brand. Get some activated carbon. Fill it about 1/8th to 1/4 of the way up with activated carbon. tear up a drier sheet and throw the shreds in, then fill the rest with pulled apart cotton balls. Once you’ve done that, cut a dozen or so small holes(small enough to where the carbon can’t fall through).
Congratulations, you made a professional sploof for almost nothing.