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Wilko Aquarium Water Treatments

14 products available · Updated August 2026

10 active deals
Parent: Fish Supplies
All (236,879)Aquarium Decor (41)Aquarium Water Treatments (14)Aquarium Gravel & Substrates (12)Aquarium Air Stones & Diffusers (4)Aquariums (4)Aquarium & Pond Tubing (2)Aquarium Filters (2)Fish Food (2)

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Showing 1–14 of 14 products

Most Relevant
Blagdon 2752 Feature Rapid Clean is a white cylindrical container with a green and silver label, designed for treating water features by eliminating green water, dirt, and algae.

Blagdon

Blagdon Water Feature Rapid Clean 100g

£3.99

Clear Pond 250ml bottle by Blagdon, featuring a clear plastic container with a green and brown cap, labeled with aquatic plants and fish, designed for pond water clarity.

Blagdon

Blagdon Clear Pond Treatment 250ml

£7.99

Blagdon Large Fresh Start for Ponds, a clear plastic bottle with a green cap, featuring a blue liquid and a label depicting water lilies and fish, designed to condition tap water for ponds.

Blagdon

Blagdon Fresh Start Pond Treatment 1L

£17.49

ClearWater Ph Increaser 1kg

ClearWater

ClearWater Ph Increaser 1kg

£9.99

3 offers
Acana Cool Marine Leak Free Moisture Trap and Freshener

Acana

Acana Cool Marine Leak Free Moisture Trap and Freshener

£7.99

3 offers
Blagdon Sludge Buster pond water treatment box featuring a green top, orange bottom, and images of water lilies, containing four 9g sachets for pond maintenance.

Blagdon

Blagdon Dirty Pond Sludge Buster 4 Pack

£9.99

Clear Pond treatment bottle with a green cap, featuring a label with blue and white text, and an image of water lilies and koi fish, designed for pond water clarity and filtration.

Blagdon

Blagdon Clear Pond Treatment 1L

£19.99

Green Away 250ml bottle by Blagdon, featuring a green cap, white and black plastic body, and a label with water lilies, designed to clear green water problems in ponds.

Blagdon

Blagdon Green Away Pond Treatment 250ml

£7.99

Blagdon Treat Green Away 1000ml bottle features a green label with a white logo, a flip-top cap, and a dark liquid inside, designed to clear green water in ponds.

Blagdon

Blagdon Green Away Pond Treatment 1L

£19.99

Blagdon Barley Straw Mini Bale in a clear plastic bag, featuring green and white packaging with a label highlighting its natural pond water treatment benefits.

Blagdon

Blagdon Mini Bale Pond Barley Straw 225g

£8.99

Clear plastic bottle of Blagdon Pond Blanketweed Algaway, 623g, featuring a green and blue label with text highlighting its effectiveness against blanket weed and safety for wildlife.

Blagdon

Blagdon Blanket Weed Algaway Pond Treatment 362g

£14.99

Blagdon Fish Aid All in One Treatment in a 1-litre blue and white plastic bottle with a gray cap, featuring a label that highlights its use for fish health improvement.

Blagdon

Blagdon Fish Aid All In One Pond Treatment 1L

£19.99

Blagdon Fresh Start 250ml bottle with a green cap, featuring a blue liquid and a label depicting water lilies and fish, designed for pond water conditioning.

Blagdon

Blagdon Fresh Start Pond Treatment 250ml

£7.99

Anti Hair Algae Treatment

Interpet

Anti Hair Algae Treatment

£4.99

Also browse:All Aquarium Water Treatments in marketplaceAbout WilkoWilko deals & vouchers