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Envii Pond Klear Xtra & Sludge Klear

This is a two-product bundle that can be used to either clear green water and sludge, or for keeping pond water clear. The two different strains of unique bacteria will focus on different problem areas in the pond, dirty water and the build-up of sludge.


871 in stock


This listing is an offer for 1 x Envii Pond Klear Xtra and 1 x Envii Sludge Klear. In winter keeping pond water clear is not the problem, but sludge build up. Envii Pond Klear Xtra 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 Xtra

– 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
– Keeps pond water clear
– Given 4 out of 5 review by Practical Fishkeeping

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 Xtra treats up to 60,000 litres.
6 Envii Sludge Klear tablets treat up to 30,000 litres.

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Don’t use pond vacuums as they can remove all of the beneficial bacteria in your pond and can lead to green water and algae.

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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.
What does this product treat?
Envii Pond Klear Xtra treats green or dirty water and Envii Sludge Klear reduces pond sludge.

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 Xtra & Sludge Klear Videos


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  • Envii Annual Pond Treatment Xtra

    Pond water 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 Xtra, 6 Envii Sludge Klear tablets & 6 Envii Nitrate Klear tablets.

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