Adding CO2 in a 120gal tank

oblongshrimp

Junior Poster
May 22, 2007
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I currently add CO2 to my 5' 120gal tank using 2 of the Red Sea CO2 reactor 500 (Freshwater Planted Aquarium & Plant Care: Carbon Dioxide Reaction Chamber CO2 Reactor 500)

I run 2x175 MH pendent lights for 10hrs a day. I dose EI and use aquasoil. I use an Cascade 1200 and a Rena Filstar X3 for filters

I no longer see any pearling in my tank and have a problem with green dust algae along with what I think is black beard algae growing on older leaves.

I wanted to try CO2 misting but am not sure whats the best way to move the CO2 around the tank. I also have a Rinox 2k and 5k which i can use. I was wondering if I could puchase a powerful powerhead (not sure what GPH I need though) and create a spray bar that runs the length of the tank about 4-5 inches above the substrate. Then hook up a Rinox 5k below it and blow the CO2 through that and into the powerhead intake which would dispurse it though the spray bar and deposit it where the plants need it. Is there an easier way to do this? Am I making this way harder then it needs to be? Any help is appreciated. Thanks guys.
 

Frolicsome_Flora

Guru Class Expert
Jan 12, 2007
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Dorset, UK
If you use your rhinox 5000 (amazing diffuser) and make sure you put somewhere where theres good flow, thatll do the job no problem at all.

You could do what you suggested, but it sounds like the long way round. The mist dissolves extremely quickly into the water so Im not sure if you need to feed it through a powerhead as well.
 

Tom Barr

Founder
Staff member
Administrator
Jan 23, 2005
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BTW, those Red Sea reactors stink.

Switrch to the Rhinoc and make a dIY CO2 reactor eg a PVC tube etc, see GWAPA's web site for details or search here.

Regards,
Tom Barr
 

oblongshrimp

Junior Poster
May 22, 2007
6
0
1
I will try hooking up the Rinox and see if it improves the health of my plants. Do you guys think I have enough flow in the tank? So Tom were you saying I should build a DIY reactor along with the mist or just use the Rinox? BTW is the DIY reactor the external PVC one I have seen around or something in the tank. Thanks guys I appreciate the feedback
 

discusman54

Junior Poster
May 24, 2007
12
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Virginia
Tom Barr
BTW, those Red Sea reactors stink
Yes, I wish I knew that a few months ago!
We where awaken one Sunday morning to a loud squealing noise (something like a fingernail on a blackboard) coming from my 55 gallon planted Discus tank. I stumbled into the den and started turning off power-strips. The temp in the tank had gone from 83F to 87F. I finally figured out a piece of plant had been sucked into the RedSea co2 diffuser and jammed it, as it has no foam screen. One of my Ottos went missing next day, guess it couldn't handle the temp change.
I just finished a DIY diffuser using part of a vac tube, filter-floss in the end and an old Little Giant pump. Looks a little tacky... but it is really puttin out!
BTW, I'm new here. I am really excited to find this forum, there's So much knowledge here
Thanks!