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Envii Sludge and Pond Klear - Pond Treatment Pack - targets unwanted organics during winter.
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Envii Sludge and Pond Klear - Pond Treatment Pack - targets unwanted organics during winter.
Beneficial bacteria reduce the build-up of sludge and improve water clarity
Envii Sludge and Pond Klear - Pond Treatment Pack - targets unwanted organics during winter.

Envii Sludge and Pond Klear - Pond Treatment Pack - targets unwanted organics during winter.

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Beneficial bacteria reduce the build-up of sludge and improve water clarity
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What Stands Out

Enhanced Clarity
Pond Klear effectively improves pond water clarity, allowing for better underwater visibility and a healthier aquatic environment for fish and plants alike.
Sludge Reduction
Sludge Klear actively reduces sludge buildup, maintaining a clean pond bottom and preventing toxic buildup, enhancing overall pond health.
Cold-Weather Efficacy
Works efficiently down to 4°C, ensuring your pond remains clean and clear even in colder temperatures, giving peace of mind year-round.

Product Details

Shop Envii Pond Klear & Sludge Klear on Ubuy Saint Helena. Improve pond water clarity, reduce sludge down to 4°C. Buy now for clean and clear water!
Item Weight2.2 lbs (1 kg)

Who Should Buy?

Suitable For
  • Pond Owners

    Ideal for owners wanting clear, beautiful ponds with minimal sludge buildup, enhancing aesthetic appeal and aquatic health.

  • Garden Enthusiasts

    Perfect for garden lovers who maintain water features, helping to ensure a healthy environment for plants and wildlife.

  • Fish Keepers

    Beneficial for fish enthusiasts by promoting cleaner water conditions, leading to healthier fish and reduced disease risks.

Not Suitable For
  • Large Bodies

    Not suitable for large ponds or lakes, as effectiveness might be limited compared to larger volume treatments.

  • Chemical-Free Users

    Not ideal for users preferring all-natural treatments, as this product may contain additives that some avoid.

  • Cold Climates

    Less effective in extremely cold environments where water temperatures are consistently below 4°C, impacting performance.

Product Description

Envii Sludge and Pond Klear - Pond Treatment Pack - targets unwanted organics during winter.

Have any Query? Chat with us

Customer Questions & Answers

  • Question: Is this product safe for fish and aquatic plants?

    Answer: Yes, it is 100% natural and safe for all fish, wildlife, pets, and aquatic plants.
  • Question: How much product is included in one pack?

    Answer: One pack contains 1 liter of Pond Klear & 6 Sludge Klear Tablets.
  • Question: Where can this product be used?

    Answer: It works in all ponds to clear water, reduce sludge, and maintain a healthy pond.
  • Question: I put a lot of pond soil in my ponds for the plants to root into, is this safe from the sludge clear?

    Answer: Sludge Klear is ok to use in these circumstances.
  • Question: The sludge clear will not remove the soil at the bottom of the pond will it? I don't want that to happen.

    Answer: No, it will breakdown unwanted organics at the bottom of the pond, but will not breakdown soil.
  • Question: I have foam on the surface of my pond..for 2 weeks now...will these products get rid of it?

    Answer: They will help, but you may need to use a blanket weed remover as you may have a build up of sludge and blanket weed at the bottom of your pond, you could also use barley straw which should help. And if you have pond pump and filter, it may need cleaning out.
  • Question: After using sludge tablets a lot of my pond is covered at the top in sludge. Do I leave it or remove it?

    Answer: The Sludge Klear will have broken up the sludge (which is a good thing) and if you have a pump and filter it will catch it and remove it. If you don't then fishing it out and putting it on your compost heap is a good thing to do. Do not leave it by the side of the pond as it will leach back into the pond
  • Question: Is this suitable for ponds with sturgeon?

    Answer: No idea phone Envii they have all the answers and very knowledgeable.
  • Question: Can you use both products together or a few days in between each other

    Answer: Hi, they can be used together, but preferably Sludge first then Pond Klear 5-7 days after.
  • Question: Uv light - turn off each 5-7 day retreatment or leave off?

    Answer: I do not have a Uv filter and have been using this for four weeks now with no sign of it working.
  • Question: Clear blanket weed.

    Answer: Hi, It will not kill Blanket weed as it does not contain a chemical herbicide, what it tends to do is to remove the nutrients Blanket weed needs to grow and also attacks the anchor point of the blanket weed to the pond side/edge. I would recommend Sludge Klear at a triple dose i.e. 1 x tablet per 1,500 litres of water and to remove as much as you can manually where possible (and safe to do so). Sludge Klear will deal with the organic imbalances in the pond which create blanket weed, and is natural rather than chemical solution, therefore not an instant 'blanket weed killer'. If you go the killer route i would suggest Sludge Klear is used afterwards to deal with the organic imbalance to stop it re-growing (and also the dead blanket weed that will have sunk to the bottom of the pond).

envii Water Treatment Products Editorial Review

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MT
Mohd
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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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“Accurate delivery timing given”

16 June 2026 · via Trustpilot
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Youcef
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“Not madly expensive like I thought, and much quicker than promised.”

15 June 2026 · via Trustpilot
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Leila
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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

6/7/2026 · via Trustpilot
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Kwame
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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Features & Benefits

  • Beneficial bacteria reduce sludge and improve water clarity
  • Binds together suspended particles to improve clarity
  • Works in all ponds to clear water, reduce sludge, and maintain a healthy pond
  • 100% natural and safe for all fish, wildlife, pets, and aquatic plants
  • 1 pack contains 1 liter of Pond Klear & 6 Sludge Klear Tablets

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