all of the co2 systems i've seen are for aquariums up to 50 gallons, so they're fairly large.
i dont have a lot of room, so i dont think the diy pop bottle method would work. does anyone know where i can get a co2 system designed for a small aquarium, or if they even exist?
i dont have a lot of room, so i dont think the diy pop bottle method would work. does anyone know where i can get a co2 system designed for a small aquarium, or if they even exist?
