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Discussion Starter · #1 ·
I'm a noob at plants so any advice would be welcomed. After being consumed with algae, I'm going to try CO2.

Is there some reason you can't use a canister filter as your diffuser? Simply feed the small amount of CO2 into the canister inlet? The outlet is well under the water anyway. I use an Eheim Ecco filter.

Any guesses as to whether I would be able to hear the CO2?

TIA.
 

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In my experience Eccos (2232) are not suitable for direct injection of CO2. They are prone to getting "VAPOR" lock unless the bubbles going into the filter are very small. I do use two of my Eccos as reactors but only after the CO2 is diffused via a reactor or ceramic diffusor. AND - I also only use cermaic noodles as a medium. I would not recommend doing this though unless you are willing to pay particular attention to your filter and be ready to BURP it when needed.

YMMV.

Ed
 

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Discussion Starter · #3 ·

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Alright, so if I'm trying to provide high co2 levels to a 75 gallon tank is a single bubble diffuser like the Hagen counter enough?

http://www.hagen.com/usa/aquatic/product.cfm?CAT=1&SUBCAT=118&PROD_ID=01076980020101

Wouldn't something like this be better? Wouldn't it make more economical use of the CO2?

http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=15524&N=2004+113779

What diffusers do you folks use?
Both of those items will be a lot less than you need. Never used the ladder system and I have the Red Sea reactor but it was no where near enough for my 90gal. I currently use a Rhinox 2000 set under the intake of my Eheim 2217 and I get phenominal CO2 levels.

Ed
 
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