Seachem Prime
Prime® is a complete and concentrated water conditioner for both fresh and salt water.
Key Benefits
- Highly concentrated: Formula 1 cap treats 200 litres
- Converts ammonia into a safe, non-toxic form that is readily removed by the tank’s biofilter
- Removes chlorine, chloramine, ammonia, nitrite, and nitrate
- Contains a binder which renders ammonia, nitrite, and nitrate non-toxic
- Detoxifies any heavy metals
- Non-acidic formula does not affect pH levels in the tank
- Promotes the production and regeneration of the natural slime coat
| Specification | Details |
|---|---|
| Form | Liquid |
| Volume per cap | 200 litres |
| Compatible with | Freshwater and saltwater aquariums |
| Active ingredients | Ammonia neutralizer, chlorine/chloramine remover, heavy metal detoxifier |
FAQ
Can Seachem Prime be used in both freshwater and saltwater tanks?
Yes, Seachem Prime is formulated for use in both freshwater and saltwater aquariums.
Does Prime affect the pH of the water?
No, Prime is non-acidic and does not impact pH levels in the tank.
How much Prime should I use per 200 litres of water?
One cap of Prime treats 200 litres of water.




Carl Mackenzie –
I’ve used Seachem Prime regularly in my freshwater tank. It effectively removes chlorine and ammonia, and my fish have shown better health. The water clarity improved after a few weeks. No pH changes, which is a big plus.
Justin Howard –
Great product for new tank setups. It neutralizes harmful chemicals and helps stabilize the water. My nitrite levels dropped quickly after using it. Works well with my filter system.
Diana Vaughan –
It works as expected. The heavy metal detox is helpful, especially after water changes. A bit expensive, but worth it for the reliability.
Christopher Grant –
Used it after a water change and noticed no fish stress. The ammonia levels went down within hours. Very effective and easy to use.
Zoe Vance –
Good for daily maintenance. Keeps the water safe and stable. I don’t have to worry about chlorine or ammonia spikes anymore.