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🐠 feelers 2x2.75 crazy air stone bubble cylinder - pack of 5 for fish tanks, aquariums, and hydroponic growing systems logo

🐠 Feelers 2x2.75 Crazy Air Stone Bubble Cylinder - Pack of 5 for Fish Tanks, Aquariums, and Hydroponic Growing Systems Review

3

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Very good

Revainrating 4 out of 5  
Rating 
4.0
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Description of 🐠 Feelers 2x2.75 Crazy Air Stone Bubble Cylinder - Pack of 5 for Fish Tanks, Aquariums, and Hydroponic Growing Systems

Fits for 5/16 inch inner diameter tube. Measures 4" in Diameter by 2.76" Height. An ideal way to add oxygen and lower CO2 levels to your hydroponic, circulation system, fish tank and aquarium. Round surface and flat bottom make the stone place steady. Low oxygen consumption & high fusion rate. MODEL: ASR-100. Jetting Volume: 20 L/min, Recommended Air Pump Power: >4 W. Please soak the air stones in water for >3 hours before usage.

Reviews

Global ratings 3
  • 5
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  • 4
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  • 3
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  • 2
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  • 1
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Type of review

Revainrating 4 out of 5

Amazing diffuser for aquariums!

After trying this product, I must say, I'm impressed. The bubbles are distributed evenly throughout the tank, creating an aesthetically pleasing look. My plants are thriving and my fish seem to be more active. It's also easy to install and clean. The only downside is that it may create a little noise, but it's not too loud. Overall, I highly recommend this product for a healthier and visually appealing aquarium.

Pros
  • Adjustable flow rate to control diffusion of oxygen and CO2
Cons
  • May require some tinkering to get the optimal level of diffusion

Revainrating 5 out of 5

Very good bubblers.

Solid and works well. Good bubbles and heavy so they sink. (The cheap ones don't sink.) I have 15 of these and when I need them I'll get more.

Pros
  • The perfect way to add oxygen and reduce CO2 levels in your hydroponic, recirculation, fish tank and fish tank.
Cons
  • Poor manual

Revainrating 3 out of 5

Not standard for aquarium sized air hoses.

I've never seen an aquarium airline with port sizes on these airstones. I probably should have read the size more carefully. I was able to find an air pump hose to try them on and it wasn't great. The bubbles that came out were large and few in number. Not small and tiny like other air stones I've used. I have larger ones in my pond from another manufacturer that have a standard size connector and produce a sea of tiny air bubbles to properly aerate the water.

Pros
  • The round surface and flat bottom make the stone court stable. Low oxygen consumption and high melting rate.
Cons
  • Lots of stuff