Best Pond Care Water Treatment Deals Online in the UK (25 Deals Found)

Last Updated - 09/09/2026 Sort By:

Best Choice
envii

New
Envii Pond Klear - Natural Green Pond Water Treatment, Clears Green and Murky Water for Crystal Clear Healthy Water, Saf
Clears Green & Murky Pond Water - Pond Klear clears green and murky water by targetting microscopic particles and nutrie

£16.95
Best Value
AquaDesign

New
AquaDesign POND SAFE 1000ML Pond Tap Water Conditioner Dechlorinator Chlorine Remover TREATS 25,000 Litres
Removes chlorine, chloramine and heavy metals

£14.99
New
NT LABS KOI CARE FMG MIXTURE GARDEN FISH POND TREATMENT ANTI PARASITE AND FUNGUS
With options ranging from 250 ml to 2.5 litres, it caters to ponds of all sizes. Why Choose NT Labs FMG Mixture It’s per

£54.45
Blagdon

New
Blagdon Green Away Pond Water Treatment, Clears Green Water and Suspended Algae Particles, Natural, Plant Friendly, Safe
CLEARS GREEN POND WATER – Green Away rapidly clears green water by clumping together suspended particles of algae causin

£7.95
New
Tetra Pond Aquasafe Water Conditioner Dechlorinator Treatment Fish Koi Clarity
Tetra Pond AquaSafe makes tap water safe for fish, and reliably protects fish and plants in ponds against harmful substa

£8.99
Blagdon

New
Blagdon Clear Pond Water Treatment, 250 ml, Clears Dirty Green or Brown Cloudy Water Quickly, Natural, Wildlife Safe, Ha
CLEARS DIRTY POND WATER - Clear Pond rapidly clears green, cloudy, dirty or milky water by clumping together suspended p

£8.59
AquaDesign

New
AquaDesign POND SAFE 2500ML Pond Tap Water Conditioner Dechlorinator Chlorine Remover TREATS 62,500 Litres
Removes chlorine, chloramine and heavy metals

£19.99
New
Envii Algae Klear Xtra Pond Blanketweed Algae Treatment All Year Round Fish Safe
Envii Algae Klear Xtra. From removing the sludge from your pond to helping your garden grow, our products are natural an

£31.95
CLEAR waters

New
CLEAR waters Blanket Weed Treatment for Ponds – 1L Bucket to Treat 10,000 / Maintain 80,000L – Quick Action Pond Weed Tr
Not for use in ornamental ponds when frogs/toads spawning as they will want to lay their eggs in the blanked weed. Not f

£20.95
New
AquaDesign POND SAFE 1000ML Fish Tap Safe Water Dechlorinator TREATS 25,000Litre
Your pond is a sanctuary of natural beauty, and AquaDesign Pond Tap Safe is here to ensure that it remains just that. We

£14.99
envii

New
Envii Pond Klear Xtra – Strong Pond Clear Water Treatment, Naturally Clears Green Pond Water – Treats Up To 100,000 litr
Multipurpose Pond Treatment – Pond Klear Xtra is a multipurpose treatment helping clear green & murky water, maintain he

£31.95
Newpie

New
Muck Reducer - Pond Clear Water Treatment 1LB Natural Sludge Solution Tablets for Ponds & Lakes, Chemical-Free & Safe fo
Advanced Enzyme-Powered Pond Cleaner Formula:Our innovative pond cleaner features a professional-grade enzyme blend form

£18.99 £19.99
New
NT Labs Koi Care Acriflavin Finrot Ulcer Moth Rot General Treatment Pond Fish
Ponds naturally contain billions of bacteria, both beneficial and harmful. While helpful bacteria break down toxic fish

£33.80
16% Off
Blagdon

New
Blagdon Clean Pond Pods, Clears Blanket Weed, Reduces Filter Cleaning, Feeds Aquatic Plants, Eats Pond Sludge, Removes C
ALL IN ONE TREATMENT - the soluble pouches harmlessly dissolve, releasing gentle active ingredients, to clean your pond,

£10.84 £12.88
New
Blagdon Green Away Pond Water Treatment, Clears Green Water and Suspended Algae
Use for resolving green water, with the appearance of pea soup, caused by suspended algae.Green away is a naturally safe

£10.70
envii

New
Envii Chlorine Klear, Pond Tap Water Treatment, Dechlorinator & Water Conditioner, Natural Chlorine Remover Makes Tap Wa
Makes Tap Water Safe – Envii Chlorine Klear will immediately remove all chlorine and chloramines from tap water added in

£15.95
New
BLAGDON ALL IN ONE FISH AID POND TREATMENT DISEASE PARASITE FUNGUS BACTERIA KOI
From the Blagdon range. Instructions for use Ideal for use when fish show visible signs of illness or stress. White cott

£13.40
New
NT LABS KOI CARE FILTER BUGS POND FILTER BACTERIA STARTER WATER TREATMENT 500ML
Suitable for routine pond maintenance, it provides an easy and effective way to maintain excellent water quality through

£16.49
New
Vanquish Fish Pond Fungus & Bacteria Water Disease Treatment Koi Aquacadabra
Aquacadabra Vanquish Fungus & Bacteria is a comprehensive pond water disinfectant designed to tackle harmful bacteria th

£28.99
New
BLAGDON CLEAN POND PODS 5 IN 1 EASY USE POND TREATMENT KOI SLUDGE BLANKETWEED
From the Blagdon range. Acts against Blanket weed and string algae, while consuming sludge to reduce pond and filter cle

£71.99
New
BANISH PARASITE ULCER & WHITESPOT POND FISH TREATMENT KOI WATER ANTI ROT DISEASE
Parasites and ulcers pose significant health risks to pond fish. Promotes speedy recovery - Rapid-acting formula heals u

£27.95
New
Pond Salt 2kg - 10kg – Koi & Goldfish Treatment, Improves Health, Colour & Water
Koi Pond Salt | Goldfish Pond Salt | Fish Pond Salt | Aquarium Salt | Freshwater Aquarium Salt. UK Salt Cellars Pond Sal

£11.00
New
NT LABS CHLORAMINE T KOI CARE PARASITE & BACTERIA TREATMENT POND FISH KOI GARDEN
It’s especially effective during colder months, when fish immune systems are weaker. Use in autumn and spring to manage

£35.90
New
BACTOPLUS FRESH PSB LIVING BACTERIA WATER TREATMENT KOI FISH SAFE POND FILTER 2L
Improves water quality and clarity by removing ammonia and other organic waste from your pond water, resulting in a heal

£27.99
New
Swell UK Pond Care Bundle - Control Blanketweed, Greenwater & Sludge Treatments
6 x Blanketweed Single Sachets. Sludge is a build up of biological waste from fish, plants and other pond debris. It can

£24.29

25 Pond Care Water Treatment deals are available from: Amazon, eBay stores, starting from £7.95.
The biggest discount we found is 16% on 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) at Amazon.
The lowest price we found is £7.95 while the highest is £71.99.
Prices for the best Pond Care Water Treatment deals average at £23.20.
Last updated on September 9, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Pond Care Water Treatment.