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💦 Clear water, clear mind — dive into flawless aquarium vibes!
API ACCU-CLEAR Freshwater Aquarium Water Clarifier is a fast-acting liquid solution that clears cloudy freshwater aquarium water by clumping suspended particles into larger clusters for easy filtration. Safe for all freshwater fish, it enhances filter efficiency and supports weekly maintenance routines, ensuring a vibrant, crystal-clear aquatic habitat.



















| ASIN | B000HHLQO0 |
| Allergen Information | Apple Free |
| Best Sellers Rank | #1,550 in Pet Supplies ( See Top 100 in Pet Supplies ) #4 in Aquarium Water Treatments |
| Brand | API |
| Brand Name | API |
| Customer Reviews | 4.6 out of 5 stars 20,228 Reviews |
| Global Trade Identification Number | 00317163031117 |
| Included Components | 1 Bottle 8-Ounce |
| Item Form | Liquid |
| Item Type Name | Aquarium Water Clarifier |
| Item Weight | 10.08 ounces |
| Liquid Volume | 237 ml |
| Manufacturer | Mars Fishcare |
| Manufacturer Part Number | 111C |
| Model Number | 111C |
| Number of Items | 1 |
| Number of Packs | 1 |
| Pet Type | Fish |
| Target Species | Fish |
| UPC | 317163031117 |
| Unit Count | 8 Fluid Ounces |
A**Y
It's some voodoo magic!
Can't believe how fast this worked! Setup a new 75g tank. Did not rinse off the substrate first. After filling up, tank was clearly misty and cloudy. Tank has been running for 4 days with an FX2 filter running and no change in water clarity. Received Accu-Clear. I added 2 capfull and also another cheap internal filter stuffed full of filter floss. I walked by an hour and a half later and had to do a double take. Practically crystal clear minus the tiny bit of tannin starting to release from the wood. Wow amazing! To those finding gel like clumps on their substrate. That's just how A-C works. If you have enough flow, it'll push that towards your filter to get sucked up or you could just siphon it out manually.
N**C
It works nicely
Clears the water. Doesn’t harm the fish. I use biweekly
S**T
I Am Hooked
THE BEST PRODUCT OF ITS TYPE. WHERE HAVE YOU BEEN ALL MY AQUARIUMS LIFE. Finally a product that actually works. 55 gallon tank. Two cap fulls. Clearest my water has EVER appeared. Matter of a few hours. Overnight wake up to almost transparent glass. Peace of mind and easy on the eyes.
R**L
When one product failed Accu Clear delivered
I’ve been working on cycling a new tank for the past six weeks. After two weeks I noticed that the water had gotten very cloudy. At first, I’d hoped it was part of the cycling process but three weeks later the water is still cloudy, and the cycling process seems to have stalled out. I ordered this product but, unfortunately, there was a shipping issue and since I was eager to get this problem solved I went online and ordered a similar product. Yesterday I tried that product and after 24 hours, the water was still cloudy. Yesterday the Accu Clear I’d originally ordered arrived and since the first product hadn’t worked, I figured I was just going to return it. But this morning, I decided to give it a shot and put in the appropriate dosage. In less than an hour, my water is crystal clear. I will definitely be returning the other product and keeping the Accu Clear for future uses.
E**E
👍🏻
Value for money 🌟🌟🌟🌟🌟
A**N
This stuff works great!
Cloudy water gone by the morning!
J**E
Liqudp
It clears the tank water quickly.
L**A
Worning worns
It doesn't matter if it will work or not; what matters is warning label on a container. It says that it can cause skin irritation, chlorthydrol, alum, chlor. Fishes and turtles will swim in this with their eyes open, and drink this water. It may work, it may not, but I will not take a risk. It seems dangers for health to me that it is dangerous for any living thing.
T**N
I got a very expency backpack
Great!
R**E
Gain de temps et d'économies
Avant sur un aquarium de 800l, les espaces de nettoyages étaient de 15 jours voir 3 semaines maxi, depuis que j'ai découvert cet article, mes nettoyages sont aujourd'hui espacés d'un mois et l'eau est toujours limpide pendant toute cette période. Aucun problème sur les poissons et les plantes
C**R
Works great
The first 2 days after putting it in our 35 hex, it was cloudy as heck. But then we woke up to the clearest tank ever. I changed the filter, which was new when we put in the clarifier, and it was filthy! I guess it did a great job!
M**O
Articolo e spedizione OK.
Ottimo prodotto, l'ho utilizzato in un nano acquario e dopo 24 ore, l'acqua è diventata cristallina, peccato soltanto che trovare prodotti dell'API in Italia sia molto difficoltoso.
A**O
Excelente
Realmente muy efectivo A la semana bajo de $120 a $100 y compré otros dos Le di a un primo uno y quedo muy satisfecho Vale la pena, alargar un poco el tiempo del cambio del agua
Trustpilot
2 weeks ago
2 weeks ago