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Old 07-20-2007, 05:22 PM   #1 (permalink)
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Default Co2 help cant get 30ppm with powerhead

Ok guys iam havin a problem getting 30ppm of co2 into my tank. Iam usin a glass diffuser in my 55g tank and i only got about 12 or 13ppm. So i added a powerhead above the diffuser now iam getting 15ppm and iam about 6 to 7 bubble a sec. So i upped the bubbles here is a video of the bubble counter is this how many bubble you guys use to get a good 30ppm?
Click me for video

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Old 07-20-2007, 11:50 PM   #2 (permalink)
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Default Re: Co2 help cant get 30ppm with powerhead

What size tank is it?
What filtration are you using?
Water surface agitation?
How are you testing to get those numbers?
What type of Co2 are you using?
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Old 07-21-2007, 11:54 AM   #3 (permalink)
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Default Re: Co2 help cant get 30ppm with powerhead

Quote:
Originally Posted by eklikewhoa View Post
What size tank is it?
What filtration are you using?
Water surface agitation?
How are you testing to get those numbers?
What type of Co2 are you using?
Tank is 55gallon
xp3 i have the spray bar movin the water surface
iam testing it with red sea co2 tester
pressurized co2
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Old 07-21-2007, 03:35 PM   #4 (permalink)
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Default Re: Co2 help cant get 30ppm with powerhead

If you buy some 4 dKH standard water, https://www.aquaticplantcentral.com/f...standards.html, and use it in the Red Sea CO2 tester, you can much more accurately tell if you have enough CO2 in the water. It will be green at about 30 ppm. Using tank water just doesn't work.
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Old 07-21-2007, 10:22 PM   #5 (permalink)
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Default Re: Co2 help cant get 30ppm with powerhead

That looks like a nano diffuser?
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Old 07-22-2007, 05:31 AM   #6 (permalink)
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Default Re: Co2 help cant get 30ppm with powerhead

I find better means of diffusing you co2.
I would lower the spraybar so that it is not rippling the water surface which is outgassing you co2.
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Old 07-22-2007, 08:18 PM   #7 (permalink)
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Default Re: Co2 help cant get 30ppm with powerhead

Yes its a nano diffuser i had a Rhinox 2000 but it does work good i only get a few bubbles out of one side. The spraybar was aimed up a little because i was gettin that water scam on the surface. Ill iam the bar down and see what happends.
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Old 07-23-2007, 11:07 AM   #8 (permalink)
 
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Default Re: Co2 help cant get 30ppm with powerhead

Please tell me you didn't follow the instructions to use aquarium water. If you did, you will never go green. Use 4dKH water instead.
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Old 07-23-2007, 11:14 AM   #9 (permalink)
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Default Re: Co2 help cant get 30ppm with powerhead

take the ceramic disk out of your Renoix 2000 and soak it in bleach. This will help to unclog it.

I use an inline reactor hooked up to my XP3. It's made of 1" pvc, and seems to do a very good job. I will be switching to 2" PVC to help aid in a little greater disolvisiton of co2.
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Old 07-23-2007, 12:02 PM   #10 (permalink)
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Default Re: Co2 help cant get 30ppm with powerhead

I'd decrease surface agitation some, ditch the diffuser and just run the CO2 line right up to the filter's intake basket, and lower your BPS to the 3-4 range until things stabilize a bit, then slowly increase until you approach 30ppm.
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