Acurel E Pond Water Clarifier, slide 1 of 1

Acurel E Pond Water Clarifier

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Keep your pond water crystal clear naturally with the Acurel E Pond Water Clarifier. Made with only organic extracts from renewable resources, the fast-acting, super-concentrated formula starts to clear cloudy, green or polluted water within just hours of applying it to your pond water. It works by causing contaminants to clump into masses that are more easily removed by your filter or skimmer. Great for your pond and the environment, it’s made with only renewable ingredients and is totally safe for all pond plants, fish and animals. Plus, it’s available in four convenient sizes to treat different size ponds.

Key Benefits
  • Environmentally-friendly, fast-acting formula clears cloudy, green or polluted pond water quickly with organic extracts.
  • Works by clumping contaminants into smaller clusters that can be easily filtered and removed with your pond filter or a skimmer net.
  • The formula is super-concentrated so it can tackle heavy-duty contaminants in all pond types, and is safe for fish and plants.
  • Made in the USA with only renewable-sourced ingredients so it’s great for the environment.
  • Available in four sizes so you can choose the one that’s best for your pond size, up to 19,000 gallons.

Store between 40 degrees and 90 degrees Fahrenheit to avoid deterioration and product gelling. Although the product is nontoxic, it is mildly acidic. Avoid eye contact. Use only as a garden product. Keep in a safe place, out of the reach of children.

See all items by Acurel

  • Item Number
  • Weight
    4.0 pounds
  • Aquarium Type
  • Fish Type
    Koi & Pond Fish
  • Product Form

Calculate your pond size in gallons using this formula: length (ft.) x width (ft.) x average depth (ft.) = total cubic feet. Total cubic feet x 7.5 = total pond gallons.


Just use our simple measuring tool on side of the bottle. For more precise calculation use the following formula: 1 teaspoon (5 ml) for every 50 gallons or 1 tablespoon (15ml) for every 150 gallons.

Clean Filter

The filter should be cleaned at least once within the first 24 hours after dosing.


If needed, a second dose can be applied after 24 hours. However, remember to clean the filter regularly.

No Filter? No problem! Acurel will still effectively clarify your water, but you must manually remove any contaminant clumps with a skimmer net. For optimal performance, Acurel recommends the use of a pump and filter system.

SizePond Size
150-ml bottleTreats up to 1500 gallons
250-ml bottleTreats up to 2650 gallons
500-ml bottleTreats up to 5300 gallons
1900-ml bottleTreats up to 19,000 gallons
Rating: 5.0 of 5 stars 4 Reviews 4 Reviews 5 out of 5 Stars

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Rating: 5.0 of 5 stars 5 / 5

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4 Reviews

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  • 5 out of 5 stars

    FabulousFabulously clear

    By Greenie on Aug 2, 2018

    This is one if the best pond clarification products aside from expensive UV filtration. Green murky water turns brown at first, but be patient. Within 2 days my 35,000 gallon koi pond was crystal clear. I could see the koi 6 feet down. I was cautious, only applying one gallon of the concentrated product (container states:treats 19,000 gallons). That's all it took to clear my pond. Other products I tried had no effect on the green water and made the koi sick, even killing many of them. I'm installing a UV filtration system, but will still keep this product on hand. Water is now so clear, I added a little pond dye to keep the raptors from fishing in my pond!

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  • 5 out of 5 stars

    Finally...My Fish Pond is Clear!

    By PianoMan on May 20, 2018

    Whether you are new to having a fish pond or, like me, had one for years and at your final nerves end...this stuff works starting the first 24 hours and then as clear as the first time it was started within 48 hours. Unbelievable! It does exactly what it says, it clumps up all the smallest particles that you didn't even realize were making the water green, or brown, and makes them large enough for the filters to catch it. I have had to clean the intake filter 4 times in the last few days and it was so thick it just fell off. I can see the bottom of the pond and the scales on my fish. I really wish I had known about this years ago!!!

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  • 5 out of 5 stars

    This stuff is awesome!

    By Cgsquirrel on Jun 9, 2018

    It works. We have a 5000 gallon pond with a waterfall, so we use a whole bottle at a time. Having a lot of active fish stirs up sediment, and this clarifier clears it up so well.

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  • 5 out of 5 stars

    Great product, great price!

    By Yinzer412 on Mar 8, 2018

    Only use this brand of water clarifier. Once I saw chewy started carrying it and the price, it could not be passed up. Even if it isn't pond season yet.

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