Algae Killer 1L
Algae Killer controls most algae and green water in aquariums and ornamental ponds. It effectively kills growing algae and helps prevent its return.
Active ingredient: Diuron
Best used when algae first appears to prevent spread. For optimal results, combine with proper light management—limit exposure to sunlight and artificial light to reduce algae growth.
Usage Instructions
- Shake well before use
- Add 15 drops per 18L of aquarium water
| Application | Recommended Dosage |
|---|---|
| Freshwater aquariums | 15 drops per 18L |
| Ornamental ponds | 15 drops per 18L |
FAQ
How often should I use Algae Killer?
Use Algae Killer when algae first appears to prevent it from spreading. Regular treatment is not required if light exposure is properly managed.
Is Diuron safe for fish?
Diuron is generally safe for fish when used as directed. However, it is important to follow the dosage instructions and avoid overuse.
Can I use Algae Killer in saltwater tanks?
No, Algae Killer is designed for freshwater aquariums and ornamental ponds only. It is not suitable for saltwater environments.

Maria Avery –
I’ve used Algae Killer for two months now and it has significantly reduced the green water in my 100L tank. The algae didn’t return after the first treatment. I still control light exposure, but the product works well when applied early.
Diana Kelly –
It worked quickly on a small algae bloom. I added 15 drops per 18L as instructed. The water cleared within a day. I plan to use it again if algae appears again.
Sam Gill –
The product cleared the green water, but I noticed some algae came back after a week. I think it’s more effective when combined with reducing light exposure.