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is co2 a must for planted aquariums?

2K views 5 replies 6 participants last post by  bartoli 
#1 ·
do i have to have co2 set up to grow plants in my aquarium
 
#4 ·
Hi hinoone66,
CO2 is not a necessity for all plant types, but if I wanted to grow certain plant types that required higher light levels then CO2 became a necessity. I started with DIY CO2 (sugar and yeast) but after several months I went with the tank and regulator.
 
#5 ·
Welcome to APC!

Injected C02 is not needed if you keep the wattage low (1.5-2wpg), however the plants will benifit from the addition of a carbon source such as Seachem Excel.
 
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