The UNS CO₂ Diffuser is designed for aquascapers who want clean visuals and reliable performance, because no one wants a bulky piece of plastic distracting from a carefully crafted layout. Instead of letting large CO₂ bubbles shoot straight to the surface and disappear, this diffuser breaks them down into a fine, swirling mist that plants
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Excellent mist
The diffuser works very well and produces a nice mist. The mist increases/decreases with the bubble rate. Works very well.