Hikari Ultimate – 16 fl oz Water Conditioner
Ultimate is a full-function water conditioner with everything you need in one bottle to maintain a superior environment for your aquatic pets. It destroys chloramines, removes chlorine and ammonia, detoxifies nitrite and heavy metals (including copper), adds electrolytes, boosts alkalinity, replaces slime coat, reduces fish stress, and instantly “ages” new water.
Key Features
- Removes chlorine and chloramines
- Detoxifies ammonia and nitrite
- Neutralizes heavy metals including copper
- Boosts water alkalinity
- Replaces fish slime coat
- Reduces fish stress
- Instantly ages new water for better fish adaptation
| Specification | Value |
|---|---|
| Volume | 16 fl oz |
| Active Ingredients | Chlorine, chloramine, ammonia, nitrite, heavy metals |
| Usage | For aquarium water conditioning |
FAQ
Can Hikari Ultimate be used in both freshwater and saltwater aquariums?
Hikari Ultimate is designed for freshwater aquariums. It is not recommended for use in saltwater systems.
How much Hikari Ultimate should I add per gallon of water?
Add one bottle of Hikari Ultimate per 5 gallons of water. Always follow the recommended dosage for your specific aquarium setup.
Does Hikari Ultimate work with all types of fish?
Yes, it is safe and effective for most freshwater fish species. It helps reduce stress and supports a healthier aquatic environment.

Rachel Metcalfe –
I’ve used Hikari Ultimate for over six months in my 20-gallon freshwater tank. My fish have shown less stress and better coloration. The water seems more stable after conditioning. It’s easy to use and works quickly.
Michael Vaughan –
The chlorine and chloramine removal is impressive. My new fish adjusted faster after adding the conditioner. I noticed the water clarity improved and my shrimp stayed active longer.
Benjamin Ferguson –
Good product, works well for routine water changes. The heavy metal detox is a big plus. I still need to monitor pH occasionally, but overall it’s reliable.
Maria Sanderson –
I switched from a generic conditioner to Hikari Ultimate and saw a noticeable difference in fish behavior. The slime coat replacement helps new fish settle in faster.