API Aqua Essential – Instant Tap Water Conditioner & Detoxifier
API Aqua Essential is a powerful all-in-one water conditioner that makes tap water safe instantly for freshwater aquariums. It neutralises chlorine, chloramine, and heavy metals, while also detoxifying ammonia and nitrite — two of the biggest silent killers in fish tanks.
Whether you’re doing a water change, setting up a new aquarium, or responding to a water quality issue, Aqua Essential gives you a buffer of protection that keeps fish safe while your biological filter catches up.
This is peace of mind in a bottle.
Why Aquarists Use API Aqua Essential
- Instantly conditions tap water
- Removes chlorine, chloramine, and heavy metals
- Detoxifies ammonia and nitrite
- Provides immediate safety during water changes or new tank setups
- Protects fish during transition periods
| Key Features | Details |
|---|---|
| Active Ingredients | Active carbon, sodium thiosulfate, and detoxifying agents |
| Usage | 1 drop per 1 liter of tap water |
| Safe For | Most freshwater fish, invertebrates, and sensitive species |
| Storage | Store in a cool, dry place away from direct sunlight |
FAQ
How much API Aqua Essential should I add to my aquarium water?
Add 1 drop per 1 liter of tap water for effective conditioning.
Can API Aqua Essential be used in saltwater tanks?
Please contact customer service
Does API Aqua Essential affect water pH?
No, it does not alter pH levels. It only neutralizes chlorine, chloramine, and detoxifies ammonia and nitrite.




Andrea Wilkins –
I’ve used this for two months now and my fish have never shown signs of stress after water changes. It works fast and keeps the water safe even when I’m not using a filter yet. Simple and effective.
Alison Oliver –
Set up a new tank last week and used Aqua Essential during every water change. My guppies are active and healthy. No fish deaths or symptoms of chlorine exposure. Highly recommend.
Leah Bond –
Good product, works as described. A bit pricey, but worth it for new tank setups. My betta stayed calm after a water change thanks to it.
Molly Miller –
Used it during a sudden water quality drop. Fish stayed calm and healthy. The detox effect on ammonia was noticeable. No more fish gasping at the surface.