We are a family-run business, super passionate about delivering the best. Specialising in unique premium quality garden, pond and home products, we believe you deserve the ultimate performance to suit your needs. That’s why we invest time and attention into adding powerful, naturally derived active ingredients that make for stronger, more effective solutions and happy customers.

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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.


956 in stock


This listing is an offer for our annual pond treatment which contains 1 x Envii Pond Klear, 1 x Envii Sludge Klear and 1x Envii Nitrate Klear. When used together these products will clear green water, sludge and algae from any Koi or garden pond. All of these products work in very low temperatures which means they can be used in winter to ensure clear water all year round.

Envii Pond Klear

– Green water treatment that clears green or murky water
– Works as low as 4°C to clear water and prevent algae
– High strength product that contains billions of naturally occurring bacteria
– Natural product that contains no harmful chemicals
– Can be used as a cure or prevention for green water
– Completely safe for fish and other wildlife
– Given 4 out of 5 by Practical Fishkeeping

Envii Sludge Klear

– Pond sludge treatment that breaks down and eliminates pond sludge
– Works all year round due to the patented bacteria that can work down to 4°C
– Treats 30,000 Litres
– Contains 6 Tablets
– Safe for all fish, wildlife and pets

Envii Nitrate Klear

– Dramatically reduces nitrates in ponds to protect fish
– Reduces risk of fish diseases such as brown blood
– Works as low as 8°C
– Completely natural product that contains no harmful chemicals
– Improves fish’s oxygen intake

Save £9.98 by buying the annual pond treatment pack!

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Use all three products together on a regular basis to tackle every common problem that occurs in ponds.

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Is this safe for my fish?
Yes. All three products contain only natural ingredients that have been derived from natural sources.
Should these products be used all of the time?
This pack treats several problems and for ongoing maintenance, we would recommend just using Envii Pond Klear.
Will these products work if I don't have a filter?
Yes. All of our products work with or without filters, filters just speed up the clearing process.

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

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