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Seachem Glass CO2 Beetle Diffuser 30mm

Seachem Glass CO2 Beetle Diffuser 30mm - Main image
$15.74 $24.99 In stock

Category: Aquarium Glassware

  • For aquariums 75-190 L (20-50 US gallons)
  • Preferred pollen-style diffuser for large aquaria or high-growth aquaria
  • Large surface area of diffuser disc ideal for high volumes of CO2 gas

The 30mm glass Beetle Diffuser is a pollen style CO2 diffuser that connects to CO2 injection systems to easily disperse CO2 gas to the planted aquarium. The large surface area of the 30mm disc allows for the diffusion of large volumes of CO2 gas, making the 27 mm Beetle Diffuser an excellent choice for mid-sized aquaria or higher-growth aquaria.

Compatible with 4/6 mm (1/4") - Standard Airline Tubing. Suction cups included.

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Customer Reviews (5.0 / 5 · 4 reviews)

Matthew H. ★★★★★

Bubbles are so fine they look like a mist rising through my 90-gallon tank, and the glass is thick enough that I don't worry about cracking it during cleaning. The 30mm disc really puts out volume for high-growth setups, and my plants have perked up noticeably since I switched.

Leo D. ★★★★★

The diffuser disc has a noticeably larger surface area than my old one, and my CO2 levels stabilized within a day. It’s easy to clean and sits flush in the 20-gallon tank without looking bulky.

Brian M. ★★★★★

I was a bit worried about the size, but the 30mm disc fits perfectly in my 40-gallon tank and the fine bubbles are exactly what my plants needed.