Best co2 system for planted aquariums
After buying all equipment you need for setting up your CO2 supply system, you. Best Co2 Diffusers Reviewed + Explained - Top 6 Diffusers for Planted Tank / Aquarium Co2 Systems. But that can be a problem in a planted tank unless you put in a CO2 system. So you'll need to buy one, and they're available as separate parts.