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Wilko Fish Supplies

88 products available · Updated August 2026

10 active deals
Parent: Pet Supplies
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Direct children of Fish Supplies
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)

Wilko Deals & Vouchers

All deals

10% off selected products at Wilko

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40% off selected products at Wilko

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45% off selected products at Wilko

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35% off selected products at Wilko

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Showing 49–72 of 88 products

Most Relevant
PawHut White LED Lights Small Fish Tank with Filter System and Water Pump 14L

PawHut

PawHut White LED Lights Small Fish Tank with Filter System and Water Pump 14L

£49.00

up to £56.10

2 offers
Mini Barrel Ornament

Penn-Plax

Mini Barrel Ornament

£1.99

Squidward's Home

Spongebob Squarepants

Squidward's Home

£7.49

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

Floating Fish Ornament - White

Floating Fish Ornament - White

£3.99

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

Sugar Skull Ornament - Pink

Penn-Plax

Sugar Skull Ornament - Pink

£1.00

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

Seagrass Bush - S

Rock Bay

Seagrass Bush - S

£2.99

Anchor and Plant Large Ornament

Penn-Plax

Anchor and Plant Large Ornament

£5.00

Black and White Fish Tank Gravel

Black and White Fish Tank Gravel

£3.99

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

Abandoned Bus Aquatic Ornament - Red

Abandoned Bus Aquatic Ornament - Red

£6.99

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

PawHut 3L Nano Aquarium Starter Kit

PawHut

PawHut 3L Nano Aquarium Starter Kit

£25.50

Sunken Warship Aquarium Ornament

Rock Bay

Sunken Warship Aquarium Ornament

£19.99

Glass Decorative Pebbles Blue

Glass Decorative Pebbles Blue

£3.99

Swimming Turtles

Penn-Plax

Swimming Turtles

£4.79

Natural Coral Ornament 14cm

Natural Coral Ornament 14cm

£2.99

Interpet Aquarium Air Stone Cylinder

Interpet

Interpet Aquarium Air Stone Cylinder

£1.00

Sunken Log Ornament - L

Rock Bay

Sunken Log Ornament - L

£6.99

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