DYI CO2 pressure issue? [solved] - The Planted Tank Forum

 
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post #1 of 8 (permalink) Old 02-04-2014, 12:31 AM Thread Starter
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DYI CO2 pressure issue? [solved]



the image is a representation of how i have my dyi co2 system setup.
yesterday i decided to give the dyi co2 setup a try. last night it started
to produce bubble slowly. i put an airstone on the tube when i went to
bed. this morning the setup has been pushing out 1 bubble about every 2
seconds. i removed the airstone and a bunch of bubbles came out, i connected
a dyi diffuser and now no bubbles are being produced in the tank. i took of the
dyi difusser and no bubbles are coming out of the tube in the tank. bubbles
are still being generated in the bubble counter(gas separator). i checked over
the whole setup for leaks, more than once, and cannot find any. my question is
does it just need to rebuild pressure in the line? or something else? thanks

Last edited by pinkman; 02-04-2014 at 10:59 PM. Reason: null
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post #2 of 8 (permalink) Old 02-04-2014, 12:48 AM
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What is a "DIY diffuser?" Do you have a picture of your diffuser?

More than likely, constantly taking on/off diffusers will cause a loss of pressure. It will take time for pressure to rebuild before bubbles are forced out of the diffuser.

Note that if you are using a ceramic disc diffuser, DIY CO2 may not necessarily generate sufficient pressure for it to work.

Also, just to be thorough, it is best to check everything again for leaks with some soapy water.

Anthony

A Primer to Pressurized CO2 and A Primer to Planted Tanks
Eheim Pimp #362 - Eheim 2213 x2, Eheim 2028, Eheim 2217, Eheim surface skimmer and Eheim autofeeder.
Victor Pimp #33 - HPT272-125-350-4M
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post #3 of 8 (permalink) Old 02-04-2014, 01:00 AM Thread Starter
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the dyi diffuser is just top of bottle with sponge and line feed into sponge, but
nothing coming out of the tube. i did check over all connections using soapy water. so
im assuming at this point when i removed the airstone and all the bubbles came out i lost
the built up pressure. ill leave it as is until tomorrow and see if any changes.
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post #4 of 8 (permalink) Old 02-04-2014, 05:39 AM Thread Starter
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so i figured out what was the issue i decided to check for leaks again and no issues. i
removed my check valve and all is well, im going to see if ican mod the check valve or buy
another one that lets air pass through a little easier, i was having a hard time blowing air
through myself.
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post #5 of 8 (permalink) Old 02-04-2014, 06:22 AM
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Use a wooden chopstick for a DiY diffuser. the ones in the red sleeves. Those work really well and do not require a large amount of psi. I've heard of using cotton but i never got it to work well.

The only issue with DiY co2 is regulating it.

a good way to make sure there aren't any leaks with the bottles is drilling a hole a bit smaller than the tube and forcing the tube in. Instant sealing *up to a certain amount of psi but you should be fine because DiY generally can't create enough to make the bottle to explode*
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post #6 of 8 (permalink) Old 02-04-2014, 10:06 AM Thread Starter
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thanks for the info, i found a thread hear on using a syringe and cotton pad to make a diy
diffuser. im using this method with a glass syringe and cotton pad. so far working really
well for the time being, ordered a glass diffuser on [Ebay Link Removed]
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post #7 of 8 (permalink) Old 02-04-2014, 08:22 PM Thread Starter
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now that im using diy co2 is it ok to continue using excel?
i was able to locate a thread with info the (:

Last edited by pinkman; 02-04-2014 at 11:00 PM. Reason: solved
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post #8 of 8 (permalink) Old 02-04-2014, 11:41 PM
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Quote:
Originally Posted by pinkman View Post
now that im using diy co2 is it ok to continue using excel?
i was able to locate a thread with info the (:
There isn't really a need to use both. In either case, CO2 is much better than Excel.

You can still keep the Excel for spot treatment of algae.

Anthony

A Primer to Pressurized CO2 and A Primer to Planted Tanks
Eheim Pimp #362 - Eheim 2213 x2, Eheim 2028, Eheim 2217, Eheim surface skimmer and Eheim autofeeder.
Victor Pimp #33 - HPT272-125-350-4M
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