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🐟 Transform your tank instantly — because your fish deserve the best!
API Aqua Essential 237 ml is a powerful, highly concentrated water conditioner designed to instantly detoxify aquarium water by removing chlorine, chloramines, heavy metals, ammonia, nitrites, and nitrates. Suitable for freshwater, saltwater, and planted tanks, it treats up to 2,370 gallons, ensuring a healthier, stress-free environment for fish of all life stages. Trusted by thousands of aquarists, it’s a must-have for maintaining vibrant, thriving aquatic ecosystems.
| ASIN | B096N5X5Z9 |
| Allergen Information | Allergen-Free |
| Best Sellers Rank | 2,404 in Pet Supplies ( See Top 100 in Pet Supplies ) 18 in Aquarium Water Treatments |
| Brand Name | API |
| Country Of Origin | USA |
| Customer Reviews | 4.7 4.7 out of 5 stars (3,949) |
| Included Components | Contains one (1) API AQUA ESSENTIAL Water Conditioner 237ml bottle, treats up to 2,370 U.S. Gallons (8,971 Litres) |
| Item Form | Liquid |
| Item Type Name | Water Treatment |
| Item Weight | 317.51 Grams |
| Liquid Volume | 237 Millilitres |
| Manufacturer | API |
| Manufacturer Part Number | 423D |
| Model Number | 423D |
| Product Warranty | 2 year manufacturer |
| Target Species | Fish |
| UPC | 317163044230 |
| Unit Count | 1 count |
M**S
Superb products.
Superb product. API is one of my resources for many of my aquarium essentials. Never had any problem with any of there items. Great value for money, with many products giving you size options for what you need. All products from medicated to water parameters and plant care. These products are made with an ease of understanding for what that purpose is and will help you on your fish keeping journey.
N**I
Water Conditioner.
I have a 100 liter aquarium with turtles. This water conditioner has become the best for me of all those that I have bought before. I do a water change once a week, with this water conditioner even after a week the tests show that the water parameters are normal. Although I have used various other water conditioners before, recently I have been using AquaSafe and NitrateMinus, but after a week the tests showed an increase in nitrates. I am very happy with this water conditioner, I definitely recommend it.
T**R
great support for aquariums
Ibe always used API products with great sucess. there products work really well and help treat my tap water and keep problems at a minimal. I have 3 tanks that wouldnt survive without this
N**7
Good product
Does what it should
M**L
fish are happy
only just tried seems ok
L**E
Best for the price
Good as you get a lot for £4 so would recommend for tap water conditioner for aquarium
T**J
Makes water safe for fish
Easy to use, instructions tell you how much to put in. Doesn't harm fish. Water is clear. Works well, helps the plants stay healthy. Great quality and value for money
O**S
Good value
Worked as expected, the water took time to clear. Instructions were on the bottle. Straightforward to use. The cap also functions as a measure. Worth it. Good size bottle too.
B**L
I first received it as a sample when it first came out in 2022 and after trying it I have been using it ever since. A small bottle lasts a long time even with 2 tanks (a 15 and a 55) I used to use another one and prime but now I just use this in place of both. Its cost effective and my fish are doing fantastic. The trick is to shake it well and use a syringe to measure it, its very concentrated.
B**N
As described...
L**S
Everything by the numbers
K**T
This stuff is great for binding ammonia and nitrites. I started using it after a bacteria crash and I now use it as my regular water conditioner for almost all my tanks. In my experience, it did not actually remove any nitrites or nitrates, but it certainly keeps the fish more comfortable in a crisis. I also only use a slight amount more than the regular dosage to detoxify (necessary because our water is highly chlorinated here) and do not use the higher dose as instructed on the second part of the directions label because when I did, my fish appeared very stressed out and lost some color (though I should note that I did not lose any fish, a water change and a lower dose did the job just fine after). I'm still giving this a 5 star review however, as it was a life saver for a tank crash and seems to be comparable to the higher priced products that are meant to bind toxins and keep your fish safe. I don't think there are any products that can truly remove the nitrites and nitrates, and no matter what if your levels aren't going down you can't avoid the extra water changes. But we keep this stuff on hand at all times now.
S**E
All in one solution.. my regular go to solution after water change .
Trustpilot
5 days ago
2 months ago