Search  for anything...
API

API ACCU-CLEAR Water clarifier, Clears cloudy aquarium water within several hours, Use weekly and when cloudy water is observed in freshwater aquariums only

  • Based on 2,139 reviews
Condition: New
Checking for product changes
$4.99 Why this price?
Save $2.00 was $6.99

Buy Now, Pay Later

As low as $1 / mo
  • – 4-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

This item is eligible for return within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: In Stock.
Fulfilled by Amazon
Arrives Sunday, May 25
Order within 8 hours and 12 minutes
Available payment plans shown during checkout

Recently Viewed

Size: 4-Ounce


Features

  • Contains one (1) API ACCU-CLEAR Freshwater Aquarium Water Clarifier 4-Ounce Bottle
  • Clumps floating particles into large clusters that can be easily removed by an aquarium filter
  • Works fast and maximizes filter efficiency
  • Instructions: Add 1 ml. per 10 gallons of aquarium water. Water will clear within several hours. If second dose is necessary, wait 24 hours.

Description

Clear up green or cloudy water caused by gravel and other floating particles in your freshwater aquarium quickly and safely with API ACCU-CLEAR Freshwater Aquarium Water Clarifier. This liquid clarifier combines tiny particles together to form larger clumps so they can settle at the bottom or be removed by your aquarium filter. API ACCU-CLEAR Water Clarifier quickly eliminates cloudy aquarium water caused by floating particles; water will clear within several hours once it is dosed. If cloudiness persists, another dose can be applied after twenty-four hours. Doses can also be administered weekly as part of your routine maintenance. API ACCU-CLEAR Water Clarifier also improves the overall efficiency of your aquarium filter. With API Aquarium products, it’s easy to keep a beautiful saltwater, freshwater or reef aquarium. For over 50 years, API has been creating innovative, research-driven solutions that make it easier to care for your fish and aquarium. API Aquarium Treatment Supplies are designed to work in conjunction with each other to provide best results to control algae, promote healthy bacterial growth and help control and cure fish diseases and conditions such as ich and fin rot. They work to provide a safe, hospitable environment for fish such as tropical community fish, cichlids, goldfish and more. With API, you can spend more time admiring your fish, and less time scrubbing your tank. Make sure to use all products as directed in order to ensure the best results.


Is Discontinued By Manufacturer ‏ : ‎ No


Product Dimensions ‏ : ‎ 6 x 3 x 12 inches; 4.8 Ounces


Item model number ‏ : ‎ 111B


Date First Available ‏ : ‎ June 20, 2004


Manufacturer ‏ : ‎ Mars Fishcare


Country of Origin ‏ : ‎ USA


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, May 25

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Like a miracle on my algae-water tank
Size: 4-Ounce
Review Image by K. Dougherty K. Dougherty
Ever since I used a vacation feeder in my 10-gallon tank (one of those white pyramids) my tank has gotten more and more cloudy with floating green algae. It was a filterless tank with lots of plants, and nothing I did would fix it. I tried installing a shade on a nearby window to limit excess light, I tried weekly 1/3 water changes, I tried getting some cherry shrimp to help eat the algae, I even tried buying a filter to help remove the excess nutrients in the water. Nothing helped. It was still so cloudy that I couldn't see more than an inch into it. Bought this stuff because another reviewer's "before" picture looked just like my tank, and all the "anti-algae" drops said not to use them with shrimp. Used on Saturday and within hours I saw a noticeable difference, but 24 hours later it hadn't really improved much more, so I put in a second treatment. Yet another on Monday. It's now Tuesday, the 4th day, and I put in a double dose this morning (for a total of 5 doses) because I felt like I had a pretty good handle on how much gunk it cleared out each day, and now that it's afternoon, my tank is almost completely clear. It's like a miracle. I've got six male guppies, an uncountable number of little snails, and probably around a dozen tiny red cherry shrimp (that are very good at hiding) and all are still alive and well. ... show more
Reviewed in the United States on July 10, 2018 by K. Dougherty K. Dougherty
    • Trully worked for me
Size: 4-Ounce
Review Image by Serafin abreu Serafin abreu
Review Image by Serafin abreu Serafin abreu
Fantastic i was able to notice a change about 40 min later and by approximately 4hrs my tank looked amazing
Reviewed in the United States on October 6, 2017 by Serafin abreu Serafin abreu
    • Despite what they say; it even helps with tannins
Size: 4-Ounce
I was pleasantly surprised by this product. I use Eco Complete live substrate for my planted aquarium. It causes gray cloudy water when first adding it to a new tank, and after big water changes. The bag used to come with a water clarifier but it no longer does. I'm too inpatient to let it settle on its own, this product clears it up within hours. Also, it was to my understanding that this does not help with clearing tannins, aside from another reviewer that said that it does. I'm currently cycling a new aquarium and cannot add purigen just yet, and I do worry the darker hue of the water is dampening the brightness of my lights, which are just *barely* bright enough for my plants to begin with. I woke up the next morning to nearly crystal clear water. It's not 100% effective, and the effect is temporary, but it makes a noticeable difference and thats good enough for me. Perhaps its because it helps your filter work more efficently, but who knows. I can't deny the results, even my husband noticed. I definitely reccomend rinsing your filter media sponges after using this product, or maybe even before. Sans bio filtration of course. Specifically the fine filtration/water polishing sponge, mine gets dingy pretty quickly after using this. I'm cool with it because it's proof that it's working. I dose once a week and clean out the sponge after 24 hours. ... show more
Reviewed in the United States on January 21, 2020 by Caitlin B
    • It actually does work! Wow!!!
Size: 4-Ounce
Review Image by T. N. T. N.
Review Image by T. N. T. N.
Review Image by T. N. T. N.
Review Image by T. N. T. N.
The media could not be loaded. I recently upgraded my fish tank and did everything right as far as I know, but within three days my whole tank became cloudy and it stayed like that for about a week and a half. And it looked like it wasn't going away any time soon. I tried to change some of the water and cleaned the tank by taking out the fish poops and debris. Still, it didn't help. So, I looked for something on the Internet that I can use to clear up my tank. That's when I came across ACC-CLEAR. I was skeptical if this is going to clear my fish tank. However, I ordered it and I got it 2 days later. Anxiously, I poured some of this stuff in my tank thinking that my tank will be CRYSTAL CLEAR by the next day. Well, I woke up the next morning and looked at my fish tank. What did I see? CLOUDY WATER. I was disappointed especially when they say on the bottle that it will work in hours. I then followed their direction about repeating the treatment. Still, my tank wasn't getting clear at all. Then, out of frustration I sort of started all over. I took out nearly 90% of the water and filled it with clean water, Cleaned all the plants and ornaments, cleaned the filter machine and replaced its filter with my own version or homemade filter with carbon, limestone and filter media. After all that, I did the shock treatment and put my fishes back in. At this point, even though most of the cloudiness in my water was gone, there was still good 20% cloudiness and it started to increase as time went on. The next day I decided to use ACC-CLEAR to clear up my tank. VIOLA!!! The next day, I just couldn't believe my eyes. MY FISH TANK got very CLEAR and there was hardly any cloudiness... I am so HAPPY.... :) So, what is the moral of the story especially for those who are complaining that this product didn't help with their fish tank situation? lol... well, this product alone will not work to clear your water. You need to do your part as well by keeping your fishtank CLEAN like cleaning your filter, cleaning your fishtank of debris and fish poops and whatever other cleaning things you have to do for your fishtank. ONLY then, you should try this product. That's what I had to do and this product worked right away. GOOD LUCK... :) ... show more
Reviewed in the United States on January 30, 2020 by T. N. T. N.
    • Works, but may take several treatments
Size: 4-Ounce
Review Image by Jackie M. Baker Jackie M. Baker
I had tried several things to clear the water in my aquarium (changed the water, tried different filters, bio-balls, and water treatments), but within a week the water always turned cloudy. I decided to try API ACC-CLEAR after reading reviews on the product. I treated the water as directed and the next day, the water was still cloudy. The instructions states that a second treatment maybe needed, so I treated the water a second time. The water remained cloudy. I decided to treat the water a third time but add 2 ml instead of 1 ml as instructed for a 10 gallon aquarium. Within one hour the water became clear! I recommend this product to anyone who has problems with cloudy aquarium water. Just make sure to measure the solution with the cap using the small indented measurement guide for 1 ml of the solution. ... show more
Reviewed in the United States on June 9, 2020 by Jackie M. Baker Jackie M. Baker

Can't find a product?

Find it on Amazon first, then paste the link below.