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

Last Updated - 15/12/2025 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

£15.95
Free Shipping
Best Value
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

£29.95
Free Shipping
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

£53.40
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
Free Shipping
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

£12.99
Evolution Aqua

New
Evolution Aqua Pure Duo Pack Pond Bomb & Sludge Bomb Pond Clear Water Treatment Pond Sludge Remover - Duo Value Pack Off
✔ Contains 1 x PURE Sludge Bomb, 1 x PURE Pond Bomb - A perfect combination of aerobic and anaerobic bacteria and enzyme

£23.45 £24.95
envii

New
Envii Winter Pond Treatment – Reduce Sludge & Improves Water Clarity, Works at Low Winter Temperatures, Natural Bacteria
Clears Sludge & Treats Green Water – Envii Winter Pond Treatment provides billions of beneficial bacteria & enzymes to y

£15.95
Free Shipping
New
Colombo Morenicol Lernex PRO Koi Pond Fish Fluke Treatment 1000ml / 1L
Lernex PRO is based on the most recent scientific knowledge and contains high quality antihelminthics like Nitroscanate

£62.99 £76.99
Blagdon

New
Blagdon Water Quality Pond Grenade, Safe, Natural, Fast Acting Beneficial Bacteria & Enzymes for Clean Pond Water, Pack
FOR A CLEAN AND HEALTHY POND - Boosts removal of organic waste, ammonia and nitrite

£12.99 £13.95
Free Shipping
New
NT Labs FMG Mixture Pond Fish Treatment
There is nothing else on the market as effective as FMG to fight unwanted parasites. A Koi keepers secret weapon! FMG is

£10.16 £16.99
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

£12.95
Free Shipping
Evolution Aqua

New
Evolution Aqua Pure Pond Bomb – for Crystal Clear Healthy Water, Treats up to 20,000 litres
✔ NATURAL, CHEMICAL FREE SOLUTION FOR CRYSTAL CLEAR, HEALTHY POND WATER – Pure Pond Bomb contains beneficial bacteria an

£13.85 £15.99
Free Shipping
New
NT Labs Koi Care Chloramine T 50g 250g 440g Pond Fish Treatment Anti Bacteria
NT Labs Koi Care Chloramine T reduces bacteria and parasites in pond water. Use NT Labs Koi Care Chloramine T during col

£31.21
Evolution Aqua

New
Evolution Aqua Pure Pond – Beneficial Bacteria for Ponds | Pond Bacteria Treatment & Healthy Water Maintenance for clear
[EASY DOSAGE] – Similarly to Evolution Aqua Pure Pond Bomb simply add Pure Pond directly into your pond filter for optim

£12.45 £12.95
Free Shipping
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
CLEAR waters

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

£19.90
Free Shipping
New
NT Labs Koi Care Malachite 1L, 2.5L Koi Pond Water Treatment. White spot
- NT Labs Koi Care Malachite 500ml - Treats 40000 litres / 8800 gallons - NT Labs Koi Care Malachite 1 Litre - Treats 80

£15.95
New
Glacia PDV Food Grade Salt 25Kg – Cooking / Pond Water Treatment / Water Care
Glacia PDV Food Salt is a fine grade salt, also known as table salt. This Pure Dried Vacuum (PDV) salt is a natural, hig

£58.99
New
Oase Safe & Care Water Treatment Bio-Protection Colloids Pond
Ensure the clarity and health of your pond with Oase Safe & Care Water Treatment Bio-Protection Colloids. Specifically d

£8.54
New
Glacia PDV Food Grade Salt, 12.5Kg – Cooking / Water Care / Pond Water Treatment
Glacia PDV Food Salt is a fine grade salt, also known as table salt. Glacia Pure Dried Vacuum Food Grade Salt, 12.5kg. T

£59.99
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
New
NT Labs Koi Care Mediclay Pond Treatment Water Clarifier Fish Health Booster
Improves appetite of Koi. Improves koi health & colour. High purity. With over 40 years of experience in the design, ins

£12.50 £20.99
New
NT Labs Acriflavin Pond Fish Treatment
When added to the pond, NT Labs Acriflavin will reduce the numbers of these opportunistic bacteria in the pond, thus low

£29.87 £49.99
New
TAP Pond Professional Formalin Water Fish Parasite Treatment
(Formalin is a laboratory reagent which can be used for a variety of purposes. Pond professional advanced pond solution.

£12.14 £18.99
New
NT Labs Koi Care Pond Buffer Powder Treatment (KH) Up
NT Labs Koi Care Pond Buffer (KH) Up 1.5kg treats 10200 litres (2250 gallons). NT Labs Koi Care Pond Buffer (KH) Up 5kg

£12.50 £20.99

25 Pond Care Water Treatment deals are available from: Amazon, eBay stores, starting from £7.95.
The biggest discount we found is 10%% on Envii Pond Klear - Natural Green Pond Water Treatment, Clears Green and Murky Water for Crystal Clear Healthy Water, Safe for all Fish and Wildlife -1L Treats 40,000 Litres at Amazon.
The lowest price we found is £7.95 while the highest is £62.99.
Prices for the best Pond Care Water Treatment deals average at £24.65.
Last updated on December 15, 2025.
We scanned these quality online stores and more to deliver you with the best offers online available for Pond Care Water Treatment.