Tetra Filter Active 100ml
Tetra SafeStart contains beneficial microorganisms which rapidly establish a safe biological environment and thus enables the fast introduction of fish into a newly set up aquarium. For all freshwater aquariums. 100ml for 120 litres of aquarium water.
- Condition tap water with Tetra AquaSafe.
- Shake well and add 5ml per 6 liters of aquarium water. (recommended minimum water temperature: 20C).
- Introduce a moderate number of fish – consult your retailer for details.
- Feed restricted amounts during the first two weeks.
- Store at room temperature. Do not expose to temperatures above 30C or below 2C.
| Application | Details |
|---|---|
| Water Conditioning | Add 5ml per 6 liters of aquarium water after mixing with Tetra AquaSafe |
| Temperature Requirement | Minimum 20C for optimal performance |
| Storage | Room temperature, avoid temperatures above 30C or below 2C |
| Recommended Use | For new freshwater aquariums to establish biological balance |
FAQ
How much Tetra SafeStart should I add to my aquarium water?
Add 5ml per 6 liters of aquarium water after shaking well and mixing with Tetra AquaSafe.
What is the ideal water temperature for using Tetra SafeStart?
The recommended minimum water temperature is 20C for optimal performance.
Can I use Tetra SafeStart in a saltwater aquarium?
Please contact customer service

Bernadette Parr –
I used Tetra SafeStart when setting up my 120-liter freshwater tank. The instructions were clear and the product worked quickly. My fish were able to be introduced within a few days, which was much faster than expected. The water stabilized well after the first week.
Harry Ross –
It helped establish a healthy environment in my new aquarium. I followed the dosage exactly and noticed a difference in water clarity within a few days. Good for beginners who want to avoid long waiting periods before adding fish.
Emily May –
The product is easy to use and effective. I added it to my tap water before filling the tank. My fish stayed healthy and active from day one. I would recommend it to anyone starting a freshwater aquarium.