A gentle way to clear green algae
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Keep your aquarium water fresh and bright the eco‑friendly way.
This ecological algaecide helps you keep green algae under control while staying kind to your fish and plants. It clears up cloudy water, supports a healthier tank, and works great for everyday aquarium care. A simple dose helps your fish tank look clean, calm, and ready to enjoy.
A clean aquarium is easier than you think.
✔ Controls green algae growth
✔ Helps keep water clear
✔ Eco‑friendly and fish‑safe when used as directed
✔ Adds a light antibacterial boost
✔ Great for most home aquariums
Use as directed based on your aquarium size. Available in 300ml, 700ml, and 1100ml bottles.
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 safe for my fish?
Yes, it is designed for aquariums and is safe for fish when used as directed.
How often should I add it?
Use it as part of your regular tank care routine whenever algae begins to appear.
Will it change my water color?
No, it works without tinting the water.
Helps keep your tank surfaces and water clear of unwanted green algae.
Gives your aquarium a clearer, brighter look with simple care.
Uses an ecological blend made for safe aquarium use.
Adds gentle antibacterial action to help maintain a balanced tank.
Just measure and dose. Great for beginners and seasoned hobbyists.
A gentle but effective option for cleaner water
| Features | MK Aquarium | Knock-Offs |
|---|---|---|
| Basic algae control | ||
| Eco‑friendly formulation | ||
| Light antibacterial action | ||
| Multiple size options | ||
| Helps improve water clarity | ||
| Made for freshwater aquariums | ||
| Beginner‑friendly dosing | ||
| Supports healthier tank balance | ||
| Consistent performance | ||
| Reliable daily use option |
Yes, just adjust the amount you use based on your tank size.
No, it is formulated for aquarium use and gentle on most live plants when used correctly.
Many users notice clearer water within a few days, depending on algae levels.
Yes, you can use it with common aquarium gear like filters and air pumps.
It is designed to be gentle, but always monitor sensitive species closely.
No, you can add it while your fish stay in the tank as long as you follow the instructions.
You can keep your usual aquarium lighting schedule.
Yes, it works well as part of early algae prevention in new tanks.
Keep it in a cool, dry place with the cap tightly closed.
