loads of bubbles on top, oxygen levels??? Help! - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 05-05-2009, 07:24 PM Thread Starter
Algae Grower
 
Join Date: Apr 2009
Location: canada
Posts: 76
loads of bubbles on top, oxygen levels??? Help!

Hello everyone,
my small 2g tank recently has been forming a layer of bubbles on top of the water because of the small bubbler! (i have it on low, but even that makes alot of bubbles!)
this started to happen after i put in my piece of driftwood and i have a feeling the extra 'tannins' are what is causing this.
I have been doing very small water changes every 2 days or so but the bubbles still sometimes cover the entire top!
Does anything know if this affects the oxygen levels in the tank? i figure there is oxygen trapped in those bubbles which stay in contact with the surface untill they pop or move over for another bubble.. but i dont know if this is wrong.
and what about the other stuff that needs to dissipate?
i have a java fern, 2 moss balls and a clump of java moss which i think help to rid of some of the toxins and co2.. so it might actually be beneficial to my plants!
But i dont want my inhabitants to suffocate!!
i keep sticking my finger in there to pop the bubbles, but recently my snail started to be sluggish and i thought maybe it was because of the salt on my fingers?!?!? its a small tank..
i did a water change and now he seems to be fine!

so does anyone have any information regarding a layer of bubbles on top? if its not harming anything, i'd rather just leave it to bubble..

any help or speculations would be welcome!
mithrius is offline  
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post #2 of 5 (permalink) Old 05-05-2009, 08:00 PM
Planted Tank Guru
 
Join Date: Sep 2008
Location: Alameda, CA
Posts: 2,214
Do you have a filter on the tank?

A filter should provide enough surface agitation so that any surface film that's trapping the bubbles wouldn't be able to form.

Wabi Kusa is just an Aquascape Katamari
Dollface is offline  
post #3 of 5 (permalink) Old 05-05-2009, 08:20 PM Thread Starter
Algae Grower
 
Join Date: Apr 2009
Location: canada
Posts: 76
no filter, just a bubbler..
im waiting for a sponge filter to arrive in the main! (SO SLOW!)

do you think the bubbles forming ontop is preventing proper oxygen diffusion?
mithrius is offline  
post #4 of 5 (permalink) Old 05-05-2009, 09:27 PM
Planted Tank Guru
 
Join Date: Sep 2008
Location: Alameda, CA
Posts: 2,214
you might want to look into a Red Sea Nano mini HOB filter
http://www.petco.com/product/12148/R...no-Filter.aspx

the bubbles should be fine, if you don't want them to stick at the surface you might want to try raising your bubbler up a bit.

Wabi Kusa is just an Aquascape Katamari
Dollface is offline  
post #5 of 5 (permalink) Old 05-05-2009, 09:56 PM Thread Starter
Algae Grower
 
Join Date: Apr 2009
Location: canada
Posts: 76
i have raised it, and its helping a little bit, but overnight it still accumulates and its not even on very high!
the bowl i have is bubble shaped, and hangs on the wall so the best kind of filter i can find to fit it is a small sponge filter.
you dont think all the bubbles are restricting the amount of oxygen being brought into the water? im hoping not too.... it makes sense kind of...
mithrius is offline  
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