New plants came in!! 2.5 is FILLED IN! - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 19 Old 06-21-2008, 11:28 AM
im also going to go with the diy co2 system but what are you two using to put the co2 into the aquairum with? are you using a airstone? im thinking about getting a glass diffusor if i can get one? :)
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post #12 of 19 Old 06-21-2008, 11:41 AM Thread Starter
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unfortunately i am having bad luck with the glass diffusers. I broke the last one and my newest one came broken. I am going to use an airstone, or see if i can rig up a way for it to go into the filter's intake.
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post #13 of 19 Old 06-21-2008, 11:57 AM
yea i think its easier for my to get an airstone, i dont know where i can get a glass diffuser from. what about monitering co2 levels, ive read that you there is a way to read them, do you have any good websites or info about that? sorry for going a little off topic, just thought you would have some info
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post #14 of 19 Old 06-21-2008, 01:02 PM
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I ordered some glass diffusers off ebay that were supposed to work with DIY systems, but there wasn't enough pressure for the co2 to come out. Airstones are pretty much a waste of co2 as the bubbles are too big to really diffuse effectively into the water. I ended up just sticking the output tube of my co2 into the uptake of my filter. Works perfectly, although I have a canister filter, not sure how it would work with a HOB.

As for monitoring, you can pretty accurately calculate the co2 levels in your tank if you know the ph and kh. Here's a link to a site with a calculator for that equation:
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post #15 of 19 Old 06-21-2008, 01:18 PM Thread Starter
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going to have to get some Kh tests, All I have is Ph
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post #16 of 19 Old 06-21-2008, 01:18 PM
thanks for the link :D i heard that the airstone was a waste, but how do you attach the tube to a canister, i still dont understand that? im pretty much stuck then as i have an internal filter.
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post #17 of 19 Old 07-19-2008, 10:47 PM
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wow! that is a beautiful set up!!!

Proud owner of Bagel the Warrior.
RIP Ivan the Terrible and Billy the Kid
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post #18 of 19 Old 07-21-2008, 11:29 AM
Originally Posted by cajunmomof4
Thank you! I just love it! I am setting up my DIY co2 today I still have a little diet coke to chug so i can have the bottle! :D
That Diet Coke goes down easier with a little Jim Beam.
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post #19 of 19 Old 07-21-2008, 02:53 PM
Ohh.. Please tell how you hooked the co2 to the canister filter. I am going to have a canister filter on my new planted tank and am looking to maybe do DIY co2 in the future. Do tell :) .
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