DIY Bubble Counter - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 05-25-2011, 04:44 PM Thread Starter
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Question DIY Bubble Counter

I got a 10 oz glass Pepsi bottle and cleaned of the lable as to have just a clear bottle, I drilled 2 1/4 inch holes in the top which are snug but not tight. I am going to position my tubing where I want it, then pull it back a 1/4 inch or so and apply hot glue, then push it through to the final position, I think this will work ok but I have a few questions.

Do you use anything to seal the thead of the bottle to the cap?? and do you use just plain water inside the bottle??? Thanks for your help.


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post #2 of 3 (permalink) Old 05-25-2011, 06:57 PM
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You need to use a bottle that has a screw cap with a seal inside, preferably a bottle that was made for a carbonated beverage. Those will reseal very well when you tighten down the cap. Also, it works best if you make holes for the CO2 tubing that are so tight you have to use pliers to pull the tube through the hole. It should squeeze down on the tube almost enough to close off the inside diameter. That makes a seal that doesn't need hot glue or silicone or any other sealant. Plain water works very well in the bottle.

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post #3 of 3 (permalink) Old 05-25-2011, 11:20 PM Thread Starter
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Thanks hoppy, I got the reactor today and my DIY bubble counter leaked and started to backfill with water from the reactor, so I didn't make my holes tight enough and will try again. My reactor leaked as well so it was a wet afternoon, I'd say about 3 gallons or so. I had the regulator set at 1 or 2 bps so it should be ok until morning, thanks again.


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