Do you really need CO2 for plants?

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GracieGoodman6

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I've never had a planted aquarium but I absolutely love the look of them. I have read lots of posts about how you need this and that and CO2 with this and a whole bunch of stuff I find confusing and expensive. I want a relatively small planted tank (5-10 gallon), and I know that plants that require high amounts of light will definitely need CO2, but I was just thinking about some low to medium light plants like, java moss, amazon sword, java fern and maybe some anubias nana. I know I will need to add some soil for them and about 1-2 watts a gallon but could I skip on the CO2? And what else would I have to do if I don't need to add he CO2? I don't really mind if they don't grow very fast. Thanks!
 

Silister Trench

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As long as your lights don't have a high PAR then the plants you listed will no need additional Co2 added to the tank.
 

Junne

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The plants you listed do not need C02 to thrive. I have ALL of those you listed with LED lights and they are thriving and growing.

As far as what plants that need C02, I don't know......... Maybe someone else can chime in...................Also to note, Marimo moss balls are really cool and do not need C02. The oldest ones in my tank are 6 years old, one of them the size of a baseball and the other a small orange.
I had another that was relatively big but I ruined it when I took some cuttings off of it and now its a big carpet looking thing!
 

Mifuluhu

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I have all these plants and they will live without CO2..,.however I started dosing with liquid CO2, excel, and growth increases tons!
 

Talisaint

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Mifuluhu said:
I have all these plants and they will live without CO2..,.however I started dosing with liquid CO2, excel, and growth increases tons!
Do you use ferts/root tabs? The OP mentioned soil, but I don't know if Amazon Swords needed root tabs.
 

Mifuluhu

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I hear so much about root tabs and have tried several kinds. I don't notice any difference with using these.....I've not had luck with swords in any of my tanks even with tabs. I use ferts, flourish 2-3 times weekly and this helps but the excel is the biggest contributor to growth IMO.
 

Tk82

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Talisaint said:
Do you use ferts/root tabs? The OP mentioned soil, but I don't know if Amazon Swords needed root tabs.
Any plant that are root feeders will definitely benefit from root tabs. Amazon swords will definitely benefit from root tabs. U can use liquid ferts if u want to if u have any column feeders like anubias and ferns etc.
 
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