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Discussion Starter · #1 ·
1- Get an injector of any size desired. I prefer 10 and 20 mls.

2- Cut the back side of the injector's inner piece. Keep the round shaped piece and throw the rest.

3- Glue the round shaped plastic piece to the bottom of the injector in order to fill in the hole. I prefer to stick them together by hot PVC because it is a rapid sticker.

4- Then, make a hole on the bottom where you can fit an air pipe joint.

5- Take two plastic suckers that are big enough to fit the injectors.

6- Slip the suckers on the injector. Your bubble counter is ready.

7- Connect the counter to the CO2 systems.
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