Bubbles om sump?

  • We are currently upgrading MFK. thanks! -neo
The only tanks I have air in are the ones that use undergravel filters that I haven't bought power heads for yet.

Air can be used to move water and for gas exchange. However, if you already have a sump, you have plenty of air to water contact and movement. IMO this would make any bubbler in a sump worthless.
 
Absolutely ...Yes.

It helps oxygenate the the water / bacteria and multiplies the gas exchange rate by an order of magnitude.

Dr Joe

.
 
if your putting them directly under the pot scrubbies where the bubbles will rise and pop inside the scrubbie section works very well, i have a bubbler below my scrubbies, i can't post any results but i do know i have never had a mini cycle or high ammo levels ,and have had the tank shut down for more then a couple of hours sometimes, but just watching the bubbles hitting the scrubbies and knowing the bacteria thrives off of wet/dry was enough to make me keep it in there..

Edit: also wanted to add only reason i did add a bubbler down there is i have 3in x 20in of scrubbies that are sumerged, and have about 5inx20 that are not sumerged, i knew the ones that were not sumerged would get the air from the drip plates..but the ones that were sumerged i wanted to get the most out of them so thats why i added the bubbler only to take care of any mediea that is sumerged...
 
mikeandannie;2258638; said:
if your putting them directly under the pot scrubbies where the bubbles will rise and pop inside the scrubbie section works very well, i have a bubbler below my scrubbies, i can't post any results but i do know i have never had a mini cycle or high ammo levels ,and have had the tank shut down for more then a couple of hours sometimes, but just watching the bubbles hitting the scrubbies and knowing the bacteria thrives off of wet/dry was enough to make me keep it in there..

Edit: also wanted to add only reason i did add a bubbler down there is i have 3in x 20in of scrubbies that are sumerged, and have about 5inx20 that are not sumerged, i knew the ones that were not sumerged would get the air from the drip plates..but the ones that were sumerged i wanted to get the most out of them so thats why i added the bubbler only to take care of any mediea that is sumerged...
Click to expand...

In a wet dry filter some of the media is suppose to be submerged in water. A different kind of bio colony inhabits this area.

Look at the sumps you buy, do you ever see one with a bubbler?
 
just on FYI that second post in the link was mine and yes i have the bubbles comming right up through my media, as my sump is a wet sump this is my way of having better gas exchange for the lower media to promote better BB growth.
i would not say that this is 100% needed as i have seen so many wet/drys that work great and do not have air pumps in them, but again mine is a wet sump as my water does not drip through my media, i added air to the water to get the same sort of effect
 
Dr Joe;2258222; said:
Absolutely ...Yes.

It helps oxygenate the the water / bacteria and multiplies the gas exchange rate by an order of magnitude.

Dr Joe

.
Click to expand...
:iagree:
Aeration in a sump also helps to remove dead spots that may occur through channelling
j<><
 
Yall don't have bubbles making it back to the pump and in to the tank. That would worry me. If all my bio media was under water I might would think about doing that. But just some of it...I dont know...micro bubbles in the tank erk me. Altho I have yet to have a sump on a freshwater tank. Most of my tanks have been salt..and the water is denser so the bubbles are smaller and float around more. Maybe fresh isnt as bad....
 
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