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💦 Clear water, clear mind — make your pond the envy of every backyard.
API POND ACCU-CLEAR is a 16-ounce pond water clarifier designed to quickly eliminate cloudiness caused by dirt, silt, and floating particles in freshwater ponds. By aggregating tiny particles into larger clusters, it improves water clarity and boosts pond filter efficiency. Ideal for weekly use or as needed, this trusted formula from API—an industry leader for over 50 years—helps maintain a healthy, visually stunning aquatic environment for fish and plants alike.



















| ASIN | B000255N1O |
| Allergen Information | Apple Free |
| Best Sellers Rank | #1,120 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #5 in Water Garden & Pond Treatment |
| Brand | API |
| Brand Name | API |
| Customer Reviews | 4.3 out of 5 stars 6,450 Reviews |
| Global Trade Identification Number | 00317163051429 |
| Item Form | bottle |
| Item Type Name | Pond Water Clarifier |
| Item Weight | 454 Grams |
| Liquid Volume | 473 Milliliters |
| Manufacturer | Mars Fishcare |
| Manufacturer Part Number | 142B |
| Model Number | 142B |
| Number of Packs | 1 |
| Target Species | Fish |
| UPC | 317163051429 |
| Unit Count | 1 Count |
R**E
Good product
Good product little pricey but worth it, removed algae within 12 hrs very effective
L**G
Works Quickly
Fantastic! Clears water within a few hours. Simply follow directions. You'll need to clean the pond filter atleast daily until it no longer gets filled with debris.
P**R
Makes it cloudy when adding-NORMAL
We have used this product for almost 2 years now. It will make a cloud form in the water when you use it, as shown in the video and pictures. This is normal. Your pond may look cloudy for the next 24 hours depending on the state of your pond water. (Do not apply more for 24 hours though.) Carefully follow the instructions on the bottle for measuring and usage. The directions are easy to follow. For our pond, I have to use half a cup. I use it once a week during cold seasons. During allergy seasons, rainy seasons (that cause murky water), and fall...we use it twice a week. You cannot rely on this alone to keep your pond maintained. This is only part of pond maintainence. This does not control algae or sludge. We like the product. Our only issue is that the bottle sizes are small for the cost. It seems most are costly though. Wish there was a more cost effective and economical product.
K**N
Went atraight to work
Clear pond well
G**X
Does not hurt the plants and it works.
Been using this in my fountain for the last few seasons. It has minimal effect on the surrounding plants (the fountain splashes) and it keeps the moss at bay.
N**Y
Not sure what it is
I keep buying this and it’s very pricy and it never seems to work even though I follow directions to the letter which surprises me since their products are fantastic
L**H
pond clarifier
I actually got this by mistake for our 20 gallon tanks. But it used very little and cleared our tanks in a couple of hours. My husband came home and said wow. I will definitely buy this again.
J**N
Easy to use, and looks great, fish are healthy
Works great, now the fish are swimming around and we can see them!
J**O
Excelente producto para aclarar agua
El producto lo aplique en un estanque de 8 mil litros que por las lluvias se veía el agua con lodo y al día siguiente noté mucha diferencia..
F**Z
Mala compra
No aclara el agua de mi estanque
S**D
Best one
Just you should give right dose of it as it mention on bottle
S**A
pond clarifier
I had water that wasn't perfectly clear and this product seemed to make it cleaner.
S**G
Was surprised at how good it was
Being new to owing a pond and knowing nothing about them I honestly wasn't sure what I was really buying especially when it came to making the dirty water clean again. I ended up going for this after reading up on all different kinds. I followed the instructions and waited for a miracle. after 5 days my pond was very clear again and I could see the bottom of the pond. I was amazed and delighted. Very easy to use, good value for money and very effective. I will definitely purchase again in the future.
Trustpilot
3 weeks ago
1 week ago