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Envii Pond Klear & Sludge Klear

This is a two-product bundle that can be used to cure green pond water and remove sludge. The unique bacteria will focus on the two separate areas to clear your pond and keep it clear.


932 in stock


This listing is an offer for 1 x Envii Pond Klear and 1 x Envii Sludge Klear – green pond water cure and sludge remover. In winter the problem is not green water, but sludge build up. Envii Pond Klear clumps any organics held in the water and sinks them to the bottom of the pond for Envii Sludge Klear to digest. Only Envii Pond products work at temperatures as low as 4°C due to its patented bacterial strains

Envii Pond Klear

– UNIQUE PRODUCT – Works as low as 4°C
– High strength
– No harmful chemicals
– Can be used as a prevention for green water in spring by tackling sludge during winter
– Completely safe for fish and other wildlife
– Given 4 out of 5 review by Practical Fishkeeping
– Green Water Pond Cure

Envii Sludge Klear

– Pond sludge treatment
– Works all year round
– Treats 30,000 Litres
– Contains 6 Tablets
– 100% Natural and SAFE FOR FISH

Envii Pond Klear treats up to 20,000 litres.
6 Envii Sludge Klear tablets treats 30,000 litres.

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Avoid green water by not overstocking your pond and not overfeeding your fish.

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Is this safe for fish?
Yes, both products are natural products that are safe for all fish, plants and wildlife.
Can both of the products be used together?
Yes, the different strains of bacteria work well together to clear pond water and remove sludge.
Can I still use this without a filter?
Yes but it will take slightly longer to clear the pond.

How to use

  • 1

    Check pH of pond water before using and if required use Pond Equaliser

  • 2

    Refer to the individual products for different application methods

  • 3

    Reapply every 7-14 days

Envii Pond Klear & Sludge Klear Videos


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  • Envii Annual Pond Treatment

    Pond treatment that targets three known problem areas in ponds, green water, sludge and nitrate levels, which are usually the cause of green water or algae. Contains 1L of Envii Pond Klear, 6 Envii Sludge Klear tablets & 6 Envii Nitrate Klear tablets.

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