how many gallons does this treat

The container comes with a soup about tablespoon sized and there is messing table on the container of how many scoops per 100 gallons. I have been using it once a week with 2 scoops and there's about 6 months worth in the container, by my guess. I hope this helps!

Hi my water is clear. But will this work for cleaning up a sludge spot in my pond that is about 4X4? Or should I go with a pellet sludge remover?

This product is excellent I use it with either API pond flush or Microbelift PL. A super self discovered secret is mix 2 parts liquid bacteria above with one part pond zyme to make a cookie dough consistency. Roll it into a ball and drop or toss into pond directly into dirtiest sludge spots in the bottom of your pond. We use this technique in show ponds at a pond outfitter. Tried and true for over the last year. Unplug this UV’s for at least a day. You can substitute half barley extract if you’re having an issue with string algae. I then supplement with whatever remaining liquid you need to add for the size of your pond.

I have a 600g pond. I dosed it last night. Water is still black. How long does this take to clear water?

I was not a fan of this products performance. I've not had Black problems before, but lots of Green especially in Spring. I think water changes and UV Sterilization unit was my clear water help!

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API POND-ZYME SLUDGE DESTROYER Pond Cleaner With Natural Pond Bacteria And Barley, 1-Pound Container

Product ID: 708275103

Details

Brand
API
Item form
Stick
Item weight
454 g
Manufacturer
Mars Fishcare
Unit count
1 Count

⏳Bi-weekly maintenance dosing

🌾Barley-based sludge digestion

🦠Natural bacteria power

VT18968

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Description

🌿 Transform your pond into a pristine oasis with nature’s sludge destroyer!

SEASONAL SMART DOSING - Optimized twice-weekly start-up and end-of-season treatments for effortless pond care.
TRUSTED LEGACY FORMULA - Backed by nearly 60 years of API expertise in premium aquatic care solutions.
ALGAE DEBRIS DIGESTION - Effectively digests dead algae, leaves, and grass clippings to maintain crystal-clear water.
MAINTENANCE MADE MINIMAL - Reduces pump and filter clogging, slashing your pond upkeep time and effort.
ECO ACTIVE SLUDGE BREAKDOWN - Harnesses natural bacteria and barley to rapidly dissolve fish waste and pond sludge.

API POND-ZYME SLUDGE DESTROYER is a 1-pound pond cleaner that uses natural bacteria and barley to break down fish waste, algae, and organic debris. Designed for ornamental ponds, it reduces sludge buildup and maintenance by digesting dead matter and preventing pump clogs. Recommended dosing starts with twice-weekly treatments for two weeks during spring and fall, then bi-weekly for ongoing care. Trusted for nearly six decades, API delivers proven, eco-friendly pond health solutions.

Specifications

ASIN	B000OVCI2S
Allergen Information	Apple Free
Brand Name	API
Customer Reviews	4.3 4.3 out of 5 stars (4,169)
Global Trade Identification Number	00317163021460
Item Form	Stick
Item Type Name	Pond Sludge Remover
Item Weight	454 g
Manufacturer	Mars Fishcare
Manufacturer Part Number	146B
Model Number	146B
Number of Items	1
Pet Type	Fish
Target Species	Fish
UPC	885730609644 885479943481 317163421468 885509235029 317163021460 885232340557 885390880940
Unit Count	1 Count

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VT18968

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vanuatu.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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