API Pond-Zyme Sludge Destroyer Pond Sludge Remover
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Keep your pond water fresh and clean with API Pond-Zyme Sludge Destroyer Pond Sludge Remover. Made from specially selected bacterial strains, this additive breaks down fish waste and dead algae that cause cloudy water, sludge build-up and debris that clogs pumps and filters. This all-natural product is safe for all pond fish, plants and wildlife, and reduces pond maintenance making it easier to take care of your aquatic friends. Just dose once at the beginning of the spring season and once for maintenance every two weeks to keep your pond and your fish happy and healthy.
Key Benefits- All-natural additive uses specially selected bacterial strains to break down fish waste and dead algae.
- Breaks down and digests leaves and grass clippings that can fall into your pond.
- Removes and clears cloudy water, sludge build-up and debris that clogs pumps and filters.
- Designed for ornamental pond use and comes in multiple sizes to best serve your pond needs.
- Safe for all pond fish, plants and wildlife, and reduces pond maintenance.
For ornamental pond use only.
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Item Number123887
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Weight1.0 pounds
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Aquarium TypePond
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BrandN/A
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Fish TypeKoi & Pond Fish
Sprinkle evenly around the perimeter of the pond. Initial dose at Spring Start-up and End of Season dose: add 4 teaspoons per 200 U.S. gallons of pond water twice a week for 2 weeks. Maintenance does: add 2 teaspoons per 200 U/S. gallons every 2 weeks.
Is API POND ZYME SLUDGE DESTROYER safe to use with small fountains and ponds?
API POND ZYME SLUDGE DESTROYER can safely be used in ponds and fountains.
Is API POND ZYME SLUDGE DESTROYER safe to use with domestic animals?
While API POND ZYME SLUDGE DESTROYER can safely be used in a pond environment and will not harm mammals if they drink from or swim in treated water, it is only intended for use in ponds with fish and pond plants.
Is API POND ZYME SLUDGE DESTROYER OK to use with algae eaters?
API POND ZYME SLUDGE DESTROYER is safe for all fish and pond life when used as directed.
Should we turn off the pond pump to give API POND ZYME SLUDGE DESTROYER time to sink before the skimmer pulls it in?
The pump should be left on when using API POND ZYME SLUDGE DESTROYER.
How is API MARINE STRESS ZYME different from API MARINE STRESS COAT?
API MARINE STRESS ZYME is not a tap water dechlorinator, like API STRESS COAT. Instead, it works to reduce aquarium maintenance over time, consuming sludge to keep gravel clean and adding beneficial bacteria to boost the natural aquarium cycle.
When should I use API MARINE STRESS ZYME?
You may use API MARINE STRESS ZYME weekly, but especially whenever you perform a 25% water change in your aquarium in order to replace beneficial bacteria. This will ensure that you aquarium cycle continues to function normally for your fish.
How is API MARINE STRESS ZYME different from API MARINE STRESS COAT?
API MARINE STRESS ZYME is not a tap water dechlorinator, like API STRESS COAT. Instead, it works to reduce aquarium maintenance over time, consuming sludge to keep gravel clean and adding beneficial bacteria to boost the natural aquarium cycle.
When should I use API MARINE STRESS ZYME?
You may use API MARINE STRESS ZYME weekly, but especially whenever you perform a 25% water change in your aquarium in order to replace beneficial bacteria. This will ensure that you aquarium cycle continues to function normally for your fish.
Customer Reviews
83% Recommend
83% of reviewersrecommend this product
You've Already Reviewed This Item
12 Reviews
Showing 1-10 of 12 Reviews
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Dirty Water
By Koiqueen on Jul 19, 2020
I have a very large pond w/two waterfalls and an over population of over sized fish. I use this every time I clean the filter and it really breaks down the waste and helps keep the water clean. I have to use more than the directions suggest to get the necessary results. And I don't have to travel across town to a pet shop to get it.
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Better with other product
By Henriludo on Jun 21, 2020
Do not expect this product to clear the pond water by itself. If sprinkled on the water, it ends up in the filter eventually. It seems that sprinkling the powder in the cascade helps mixing with the water. It works better with an algaecide, but in summer, even with the enzymes and beneficial bacteria, UV light and copper ions, the sludge and algae can only be controlled. Still somewhat helpful.
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Be patient
By catlover on Jul 15, 2020
At first I wasn't sure if it would work, but near the end of the first two weeks, the water was almost crystal clear!
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Unhappy with product
By Gracie on Jun 22, 2020
Used it for two weeks and pond water is still dilthy. Will use up product and if no improvement will not use again.
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Do not use
By Nono on Mar 24, 2020
I used this product in my fish pond and 3 of my two year old fish died. I used less than the recommended amount. There were no other chemicals in the pond. This products is not safe for fish or the dead bullfrog that had lived in the pond. I emptied the 200 gallon pond. Hopefully my remaining fish will live. Not happy.
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Works well
By Pamscats on Oct 19, 2019
I have a small pond and the sludge from summer has built up. This seems to be breaking it down.
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Great product
By Sherri on Apr 26, 2019
Give this product a chance and it WILL work. I live in Ohio and my pond turned to nothing but sludge and algae toward the end of last summer. Nothing I did removed it. I have 8 goldfish in there and couldnt even see them. I dont like using chemicals so I decided to try this. I also used Tetra Pond Block for algae removal which IS a slight chemical. Together, i am seeing a huge difference in my pond. Its been 2 weeks but be patient. I now see my fish. These products will not work overnight as some claim. I initially started cleaning my filter pads 2x/day and now Im down to every other day. They will not work by themselves. You must devote some time to this no matter what but you are not draining Give this product a chance and it WILL work. I live in Ohio and my pond turned to nothing but sludge and algae toward the end of last summer. Nothing I did removed it. I have 8 goldfish in there and couldnt even see them. I dont like using chemicals so I decided to try this. I also used Tetra Pond Block for algae removal which IS a slight chemical. Together, i am seeing a huge difference in my pond. Its been 2 weeks but be patient. I now see my fish. These products will not work overnight as some claim. I initially started cleaning my filter pads 2x/day and now Im down to every other day. They will not work by themselves. You must devote some time to this no matter what but you are not draining and scrubbing the pond. Simple maintenance plus netting out the dead algae after cleaning the filter pads WORKS. Give it a try but be patient if your pond is really bad. … more
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pond zyme destroyer
By Jeff on Jul 13, 2019
this works good we will keep getting this for our koi pond.
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My go to product.
By Pugtime on Jun 12, 2018
I have been using this product for the last three years in a 8500 gallon two pond system with waterfall connected by a creek. Previously I used multiple liquid, high cost products and still had problems with large mounts of string algae. I added aerators and started using only API Pond-Zyme only and my maintenance has decreased by at least 60%. I highly recommend.
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Sludge B Gone
By Halfpint63 on Jun 4, 2018 Top 500 Contributor
Every Spring at Pond start-up always dreaded the SLUDGE build-up and the constant cleaning of the Pump and Canister Filter Pads almost twice a day. Started using the Pond-Zyme and after the first week, along with the other Bacteria additive, it cut the amount of sludge debris in half! Now the water is cleaner and I'm back to the normal cleaning routine.
