WhichOne › DIY store & garden › garden pond › pond accessory › pond clear

The best pond clears in comparison

Guaranteed independent and reliable
Millions of satisfied users every year
Last updated on 03.07.2025

Filter

Sort

Brand:Reduced items only:

Best choice

API Stress Coat Aquarium Water Conditioner, 1.9 Liter Bottle

API

51% off

free shipping

9,9

Offer ends in:

05Days

13hours

12minutes

41seconds

Check price

Show on Amazon

show more show less

Features

Makes tap water safe and protects fish with dual-action formula
Use when adding or changing water, when adding a fish and when fish are sick or injured
Replaces fish s protective coat damaged by handling, shipping or fish fighting with healing power of Aloe Vera extract

£ 20.69

£ 24.35

£ 25.39

£ 34.15

£ 34.15

£ 43.99

Envii Pond Klear Xtra – Strong Pond Clear Water Treatment, Naturally Clears Green Pond Water – Treats Up To 100,000 litres

envii

free shipping

9,8

Check price

Show on Amazon

show more show less

Features

Multipurpose Pond Treatment Pond Klear Xtra is a multipurpose treatment helping clear green & murky water, maintain healthy sludge levels & help reduces the chance of blanket weed.
Safe for all Fish & Wildlife Like all Envii pond products, Pond Klear Xtra is safe for all fish, wildlife & plants. This can be used in conjunction with all other bacteria treatments.
Easy to use With a built in measuring chamber, applications are really easy. We recommend using 10ml per 1,000 litres of water. This makes for reliable and quick treatments.
Treats a Large Volume of Water Pond Klear Xtra treats up to 100,000 litres of pond water. If your pond is under 20,000 litres, this means you will get multiple treatments to last you through the year.

£ 31.95

£ 36.99

Evolution Aqua Pure Duo Pack Pond Bomb & Sludge Bomb Pond Clear Water Treatment Pond Sludge Remover - Duo Value Pack Offers Complete Natural Pond Water Treatment for Fish Ponds

Evolution Aqua

free shipping

9,7

Check price

Show on Amazon

show more show less

Features

Contains 1 x PURE Sludge Bomb, 1 x PURE Pond Bomb - A perfect combination of aerobic and anaerobic bacteria and enzymes working efficiently together as a complete pond clear water treatment for small ponds, large fish ponds and water features.
Reduces filter and pond maintenance Naturally removes excess smelly organic waste, reducing the need to use chemical algae remover and harsh blanket weed treatments for ponds. Pure Duo Pack Pond Bombs also work as an ammonia and nitrite remover.
Natural fast acting chemical free clear water pond treatment - PURE Pond Bomb contains the perfect formula of aerobic enzymes and bacteria designed to quickly break down organic waste in water, leaving your pond clean and fish healthy.
Award winning product manufactured in the UK Part of the Evolution Aqua award winning range of bacterial products for ponds, freshwater and marine aquariums.

£ 24.95

£ 24.95

£ 25.99

£ 28.69

£ 29.95

Tetra Pond AquaSafe, Makes Tap Water Safe for Pond Fish, 500 ml

Tetra

free shipping

9,7

Check price

Show on Amazon

show more show less

Features

Tetra Pond AquaSafe makes tap water safe for fish, and reliably protects the fish and plants in garden ponds against harmful substances contained in tap and rain water
Tap water contains heavy metals, chlorine and chloramine, excessively high concentrations of which can be harmful to fish, plants and microorganisms - Tetra Pond AquaSafe neutralises these substances
Use when conducting partial water changes, topping up the water and after prolonged spells of rainfall
The vital ingredient iodine promotes the good health, growth and well-being of the fish and increases their readiness to spawn
Acts fast with long-lasting benefits Scope of delivery 1 x 500 ml Tetra Pond AquaSafe

£ 11.98

£ 9.95

£ 11.62

£ 11.98

£ 13.99

£ 14.95

£ 14.99

£ 15.67

£ 15.67

£ 15.99

£ 16.99

£ 18.99

£ 19.95

Blagdon Clean Pond Pods, Clears Blanket Weed, Reduces Filter Cleaning, Feeds Aquatic Plants, Eats Pond Sludge, Removes Chlorine, Makes Tap Water Safe, Pet & Wildlife Safe (pack of 6 pods)

Blagdon

20% off

9,6

Check price

Show on Amazon

show more show less

Features

ALL IN ONE TREATMENT - the soluble pouches harmlessly dissolve, releasing gentle active ingredients, to clean your pond, clears blanketweed, eats pond sludge, feeds aquatic plants, reduces filter cleaning, makes tap water safe by removing harmful toxins
REDUCES POND & FILTER MAINTENANCE the pods work within the pond ecosystem, most effective when used over a consistent period of time and are not an overnight solution, once established the unique formula will soon have your pond crystal clear
PET & WILDLIFE SAFE our Clean Pond Pods are harmless to pets and wildlife, beneficial to filter bacteria and can be used in wildlife ponds and ponds with fish and other pond water inhabitants
BLANKETWEED REDUCTION - should become apparent within a month of starting treatment. For long-term effectiveness, usage should begin when temperatures reach 10 C around April in the UK and continued monthly until temperatures drop below 10 C
USE EFFECTIVELY IN A FILTER - Clean Pond Pods can be used in conjunction with Blagdon Clean Pond Machine Filter for exceptional results. However, Clean Pond Pods are also suitable for direct to pond use and with most other filter systems

£ 10.32

£ 8.39

£ 8.54

£ 8.75

£ 8.99

Recommendation

Bonda G4 Pond Sealer - Clear 2.5kg

RUSTINS

free shipping

9,6

Check price

Show on Amazon

show more show less

Features

Suitable for application at high & low temperatures & good chemical resistance
Hard Wearing
Quick & Easy to apply

£ 54.88

£ 21.60

£ 42.99

£ 53.99

£ 54.99

£ 59.99

£ 64.00

ClearWaters Blanket Weed Treatment for Ponds – 1L Bucket to Treat 10,000 / Maintain 80,000L – Quick Action Pond Weed Treament for Blanket Weed – Pond Cleaner Safe for Fish and Wildlife

CLEAR waters

21% off

9,6

Check price

Show on Amazon

show more show less

Features

Not for use in ornamental ponds when frogs toads spawning as they will want to lay their eggs in the blanked weed. Not for use in public wildlife ponds.
Packaging may vary

£ 14.93

£ 17.99

£ 18.49

£ 18.99

£ 18.99

£ 23.95

£ 24.71

Tetra 231566 Pond Crystal Water 1 Litre

free shipping

9,6

Check price

Show on Amazon

show more show less

Features

Is effective within just a few hours.
Binds mineral turbidities
The active ingredients in CrystalWater flocculate the clouding particles suspended in the pond water. This means that they can be removed more easily or can be better filtered out by the filter.
Increases the depth of visibility of the pond water.

AquaDesign CLEAR POND Water Clarifier 2500ml - Clears Green & Cloudy Water - TREATS 12,500L

AquaDesign

9,6

Check price

Show on Amazon

show more show less

Features

AquaDesign POND CLEAR removes haze, cloudiness and green water
Easy to dose Liquid
Fast acting - visible results in under 24 hours
Comes with 3ml pipette for dosing

Pond Clear Water Treatment - Barley Straw Balls 300ml - Removes Pond Green Water And Blanket Weed For A Clear Pond - Safe For Pets And Fish - - 1 Pot Treats 1350 Litres - Seedzbox

Seedzbox

9,5

Check price

Show on Amazon

show more show less

Features

Pond Clear Water Treatment - Removes Pond Green Water And Blanket Weed For A Clear Pond - Safe For Pets And Fish - Natural Pond Barley Straw Balls 300ml - 1 Pot Treats 1350 Litres - Seedzbox
How To Use - Simply add these biodegradable gel balls to the pond - use 100ml of gel balls for every 450 litres of pond water - to reduce your pond sludge. Put directly in the water (including the liquid in the tub).
When To Use - Use 3 times a season (spring, summer, autumn). Best results at temperature 10 to 25 degrees Celsius. Effective at all pH levels between 6 and 9.
The Gardening Naturally barley straw balls 300ml are the natural way to create and maintain a crystal-clear pond. The balls are made of organic polymer which when added to water release natural barley straw extract.
Seedzbox offers a wide range of high quality feeds for many animals, as well as gardening products. For birds, Seedzbox has a range that includes bird food, chicken feed, chick crumb, cockatiel food, canary food, parrot food, parakeet food, budgie food, sunflower seeds, sunflower hearts, no mess bird food, no grow bird food, coconut suet, fat balls and suet pellets.

This ranking is created through algorithmic analysis of millions of products tailored specifically to your search. We aim to find the most suitable product for you based on manufacturer information and price. The ranking reflects our opinion and should serve as a good starting point for your purchase. We would like to point out that we have not tested the products ourselves and link to selected online shops and partners from which we may receive compensation.

You might also be interested in these pond clears.

Interpet Clean Aquarium Pods, Makes Tapwater Safe for Fresh Water Fish Tanks, Bioactivates Filters, Eats Sludge, Feeds Plants, Reduces Aquarium Maintenance, 12 Pack

ALL IN ONE TREATMENT - the soluble pouches harmlessly dissolve, releasing gentle active ingredients to keep your aquarium looking beautiful

~~£ 14.99~~

Check price

Supa Anti Algae Block, The Block Slowly Dissolves Releasing Di-Methyl Urea Into The Pond Water Clearing Algae From Ponds.

Supa Anti Algae Pond Block slowly dissolves releasing di-methyl urea into the pond water.

Check price

NT Labs Pond Magiclear, Clears Green and Cloudy Water, Control Against Algae Build up, Improves Pond Water Quality, Pond Water Flocculant (1 Litre)

SUITABLE FOR USE WITH A FILTERLESS POND Without a filter, some clumps may float and can then be removed using a net. Use when you have plenty of time to observe the fish and take action in the unlikely event of a reaction.

free shipping

Check price

Green Lightning Blanket Weed Killer - Pond Clear Water Treatment - Pond Weed - Treats 23,000 Litres - Safe for Fish, Pond Plants & Wildlife - Eco-Friendly and Biocide Free - 100g

Size 100g

free shipping

Check price

Nishikoi ClearWaters 5L

All year round treatment

free shipping

Check price

Bermuda Pure Pond For Crystal Clear, Healthy Water 500mil

Guoml

free shipping

Check price

Bonda G4 Pond Sealer Clear 1kg

Bonda G4 Pond Sealer - Waterproof Sealant for Ponds and Water Features, High-Performance Protection, Easy Application

~~£ 31.99~~ free shipping

Check price

Hydra Fountain Clear Water Feature Cleaner | 60ml Treats 1,800L Highest Dilution Rates - Water Feature Treatment Keeps Water Crystal Clear from Algae, Cleans Water & Biofilm Build-up

Crystal Clear Water The Hydra Fountain Clear is a water fountain clarifier that can be used all year in both indoor and outdoor water systems. The water treatment saves hours of manual cleaning and rapidly removes algae. It is an algaecide that minimises slime build-up in fountains and water features.

free shipping

Check price

Swell Control Green Water 2 Pack. Pond Clear Water Treatment and Pond Cleaner

Safe for Koi, community and wildlife ponds, and can be used year-round

free shipping

Check price

Easylife Eco Garden Pond Clear Water Treatment (2 Sachets) Removes Algae, Duckweed and Scum, Clears 4000L of Water, Safe for Pets, Fish and Pond Plants - Fully Guaranteed

FROM MURKY GREEN TO CRYSTAL CLEAR WATER - pond water easily becomes cloudy and murky with a film of scum, algae and more, fortunately Easylife's pond cleaner uses natural microbes to break it all down and leaves your pond clean, bright and healthy

free shipping

Check price

HYDRA Crystal Treats UpTo 50,000 litres + Pond Algae Green Water Remover 5Kg

Multipurpose Hydra Crystal is the pond treatment that has no damaging effect on concrete surfaces or synthetic liners. It has a shelf life 3 years and 3 Kg pack can treat up to 30,000 litres of water.

free shipping

Check price

AllPondSolutions CUP-305-2000L/H All in One Pond Pump Filter with Fountain and 5w UV Steriliser, Clear Water Algae Control for Ponds up to 2000L

Complete Solution for Cystal Clear Pond Water - a complete easy to care for pond filter system includes pump, filter, fountain, and UV for removing algae.

free shipping

Check price

The best pond clears in comparison

Guaranteed independent and reliable

Features

Features

Features

Features

Features

Features

Features

Features

Features

Features

You might also be interested in these pond clears.

Our offer