Smooth, Steady CO2 for Happy Plants
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Give your planted tank the gentle CO2 boost it needs.
This stainless steel CO2 diffuser makes it easy to keep your plants growing strong. The ceramic nano disc breaks CO2 into tiny bubbles that spread smoothly through your aquarium. It installs quickly, stays put, and keeps your tank looking clean and bright.
Simple, sturdy, and great for planted tanks.
✔ Tiny bubbles for better CO2 spread
✔ Strong suction cups keep it secure
✔ Durable stainless steel that lasts
Rinse the ceramic disc gently if buildup forms. Avoid harsh scrubbing to protect the nano surface.
We are proud to offer duty-free, reliable, tracked shipping— delivered to your door in over 200 countries worldwide!
Below you can check our average shipping times:
Domestic USA Shipping: 2-9 business days
US & Canada: 7-18 days
Europe: 7-18 days
Europe Plus*: 8-30 days
Australia, New Zealand: 7-18 days
Hong Kong, Singapore: 7-18 days
Rest of the world: 8-30 days
*does not include processing times up to 2 business days or longer in peak periods
Primarily we ship out from fulfillment centers in the United States, Eastern Asia and Western Europe. If the item you've purchased is out of inventory in your nearest location, we'll send it directly from our production lines at the same delivery times as stated in our shipping section.
Is this diffuser good for planted aquariums?
Yes. It helps spread CO2 in a fine mist so your plants can use it easily.
Is the stainless steel safe for fish?
Yes. Stainless steel is commonly used in aquarium equipment and works well in freshwater tanks.
Does it stay in place?
Yes. The included suction cups help keep the diffuser steady on your tank wall.
The nano disc creates tiny bubbles that spread evenly for happy plants.
Steady CO2 delivery supports lush, steady growth in your planted aquarium.
The stainless steel body holds up well in everyday aquarium use.
Strong suction cups and a simple tube connection make setup quick.
The metallic finish blends nicely into most aquariums.
A sturdy, reliable choice for planted tanks.
| Features | MK Aquarium | Knock-Offs |
|---|---|---|
| Ceramic nano disc diffusion | ||
| Durable stainless steel body | ||
| Strong suction cup mounting | ||
| Fine bubble production | ||
| Stable CO2 delivery | ||
| Easy installation | ||
| Clean modern design | ||
| Secure tube connection | ||
| Great for planted aquariums |
Yes. It works in most freshwater planted aquariums that use CO2 injection.
Simply slide your CO2 tubing onto the inlet. It fits standard aquarium CO2 lines.
Clean it gently when you see buildup that slows the bubble flow.
No. The diffuser works quietly as CO2 passes through the ceramic disc.
Yes. Its slim design works well even in smaller planted aquariums.
The disc is integrated, and with gentle care it lasts a long time.
Yes. It works well with most CO2 injection setups used in high-tech tanks.
Just a gentle rinse as needed to keep the nano disc clear.
No. The stainless steel body is designed to stay strong in aquarium use.
