DIY vs Pressurized CO2??

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Ok, I was thinking of bending the tube, and tying a piece of fishing line to hold the crease. I stopped my air pump from sending bubbles to the bubble wand this way.

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Yep, that's it. I think mine were $1.89 at petco. I only use one. With a DIY system, I don't think there is a need for kinking your hose

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The lines are the air hose.

I can use hot glue to seal the holes up.

I will run the house to my hob filter, and use an airstone on the back side of the filter pad to break up the bubbles even more
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Beautiful! My only suggestion is to add one more check valve to the long hose to make sure your tank doesn't back syphon if your co2 runs low

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Some people hot glue gun, others silicone. I used silicone but make sure you do both the inside and outside of the caps.

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Ok. I will need to get 2 more check valves then. Already have 1.

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How do I know when thw co2 is low? Fewer bubbles

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Yes. Bubbles will slow down, and depending on your mixture, you should know a rough estimate when it dies off... for example the mixture I sent you, lasts about 2 weeks and slows down on the 3rd week.

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You know, if you have any activated carbon left around, I did see something that will keep your bubble counter cleaner and longer

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Let me send you a link to a youtube video... it's something I havnt tried yet but have been interested in doing it.

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I don't know the difference between the air stones. Sorry, can't help you there

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Ok. One just makes smaller bubble from the start so i didn't know.

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The finer the bubble the better but with a diy, you don't have the pressure. That's my only concern, but I havnt had issues with my air stone, so if you're willing to give that one a shot, it should work out well for you

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You could also see if you can find a glass diffuser that is really tiny. Anything but the tiny one won't have enough pressure to push it out but nothing puts out smaller bubbles than a glass diffuser

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