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using too much co2? help

AdAndrews

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22 Feb 2009
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1,125
Location
Kidderminster, Worcs
I have an 1 hour window from when the pressurised co2 goes off and when the lights go off, during this time i am getting pearling, when i dont have it at all when the co2 is on, is this normal- does this mean i am injection too much co2? or what?

thanks for your help
Adam
 

fourmations

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30 Aug 2008
Messages
201
Re: Pearling After co2 is off?

im no expert, seems a lot of co2

i know all tanks are differnet as are bubble counters etc etc
but if i put 4bps in my tanks my d/c would be bright yellow

how are you administering the co2?

rgds

4
 

AdAndrews

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Re: Pearling After co2 is off?

diffuser is a rhinox, smallest one i think- i have had my doubts whether this is the problem, that the some of the bubbles on the lower setting of the reg go through a part of the rhinox thats not very fine, so they just wizz straight up, thus why i have to increase co2 so that the whole (near enough) diffuser is being used, letting smaller bubbles in that stay in the water for a great deal longer, what do you suggest?
 

fourmations

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Re: Pearling After co2 is off?

hi there

again i am no expert but heres what I know....

I was never happy with glass diffusers
no matter what I did I felt the bubbles just got to the surface too quick

some options:

1: place rhinox under filter inlet
2: use an inline reactor if you have an external
3: place rhinox under a powerhead or koralia and point downwards

you can always just run it as is,
i use disposable bottles as I cant use an FE for several reasons
so I am always on the lookout for best diffusion possible for the money
i spend on co2

hopefully someone else will chime in on this for you

Regards

4
 

mattyc

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17 Oct 2008
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Thelwall, Warrington
Re: Pearling After co2 is off?

Have you checked for leaks after the counter? i only have about 2 bps on my 60L. i have a cheep defuser from ebay and it works fine!
 

AdAndrews

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Re: Pearling After co2 is off?

i havnt checked for leaks, becuase i couldnt see how poissbly anything could escape from the fitting on the top of the bubble counter, i will do it when i get home
 

amy4342

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22 May 2008
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This diffuser is awesome IMO - I find it as good as my Cal Aqua, and only for £5. It's 12cm from bottom to top.
 

AdAndrews

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ok, i have checked for leaks, pushed the co2 line onto the end of the bubble counter a little more, and this seems to have helped *slightly*, i still feel its down to insufficiant diffusion so as i mentioned earlier i have brought the in-line diffuser so i will give that a try.

thanks for your help guys!

Adam
 

JamesM

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17 Apr 2008
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The BIG End, South Wales
For best diffusion with these Boyu diffusers, place them inline on the OUTPUT of the filter - as close to the filter as you can get.

Diffusion inside a filter isn't the best method as many filters will hold undissolved co2, then release large bubbles in one go, meaning unstable co2 levels.
 

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