There is no doubt that CO2 will help your plants. You just have to decide how serious you want to be about it.
If you decide you want to get serious you will want a decent pressurized CO2 system. Going half arse will add frustration, inconsistent bubble counts, fluctuating CO2 levels, refilling, replacing, etc, etc. it will take the fun out of it in hurry. I have a 20lb cylinder on a 20L and I don't touch the co2 for 6 months at a time.
Just started Nano
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Last edited by ichy; 11-02-2016 at 12:27 AM.