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crwdns2933797:0Austin Blakelycrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Austin Blakely

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+[* black] Poke, drill, or cut a small hole in a 2L bottle cap and insert an airline tubing adaptor.
+[* black] Use some kind of glue or sealant to seal the top of the bottle cap, ensuring an airtight fit.
[* red] Connect one end of the airline tubing to the airline tubing adapter, and the other end of the airline tubing to the CO2 diffuser.