Sponge filter n CO2 - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 10-27-2014, 09:43 PM Thread Starter
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Sponge filter n CO2

I was planing on running most if not all my set ups with sponge filters but wanted to know if i would get the same balance of clean n clear water that i get from my HOB filter, not hazy like i see on some tanks.
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post #2 of 7 (permalink) Old 10-27-2014, 10:30 PM
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Smile Fluval?

Hi,

Sponge filters are wonderful and generally safe for little critters.

A couple of them would be nice...



Respectfully,
Joe
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If your Guru tells you otherwise and you are true believer that is okay I will not argue the point.
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I pretty much limit what I say to things that anyone can easily verify from recognized references or by direct observation. If it is my opinion I say so.

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post #3 of 7 (permalink) Old 10-28-2014, 12:17 AM
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It will depend on what sponge filters as well as the tank. They can vary from great to useless. How large, how many and how they are powered will make lots of difference in how much mechanical filtering you get. Then there is always the question of how much each tank requires in the mechanical filtering. your tank looks like it has lots of plants which may reduce flow around the tank but then you may also have a bunch of flow from powerheads that I can't see.
I usually think of power filters as having more power and flow than sponges.
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post #4 of 7 (permalink) Old 10-28-2014, 08:50 PM
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What kind of fish is that with the yellow tail?
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post #5 of 7 (permalink) Old 10-28-2014, 10:49 PM
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Sponge filters result in a lot of surface agitation, which means you'll be gassing off a lot of any injected co2.


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post #6 of 7 (permalink) Old 10-29-2014, 12:13 AM
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based on a recent 6 pager some agree airstone use offgasses co2 faster compared to even a faster flowing powerhead that is doing subsurface eddies but not surface boiling or laminar turnover. i was one who agrees air stones waste more injected co2 than powerheads.


also agreed size and filter flow affect mechanical fix and hold rates. in the end put a sponge on the powerhead intake tube best of bw

small old reef tank:

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still running in 2018

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post #7 of 7 (permalink) Old 10-29-2014, 08:46 AM
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Try a Hamburg Mattenfilter?

MY TANK: Planted 10g; 2 x 10W CFL; Fluval U2 internal filter; MGOCPM/black sand cap

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started April 18, 2012
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filter equipment, hob filter, sponge filter

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