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Aquarium Water Treatments

25 productsUpdated July 2026
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Aqua One Aqua Shine - Available In 2 Sizes

Aqua One Aqua Shine - Available In 2 Sizes

£4.99

Waterlife Nitrite No2 Water Test

Waterlife Nitrite No2 Water Test

£8.99

Waterlife Octozin Tablets - Available In 3 Sizes

Waterlife Octozin Tablets - Available In 3 Sizes

£7.99

NT Labs Aquarium Disease Solve 100ml

NT Labs Aquarium Disease Solve 100ml

£5.99

Waterlife Parazin 20 Tablets

Waterlife Parazin 20 Tablets

£7.99

Fluval Ammonia Remover, 6.3 oz / 180 g, 3-Pack

Fluval Ammonia Remover, 6.3 oz / 180 g, 3-Pack

£11.29

Equine America Water Treatment - 1L

Equine America

Equine America Water Treatment - 1L

£23.49

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
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

Acana Cool Marine Leak Free Moisture Trap and Freshener

Acana

Acana Cool Marine Leak Free Moisture Trap and Freshener

£7.99

3 offers
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

Qlozone Aquarium Fish tank Bakki Shower Filter Garden Koi Pond Bacteria House Media Tower Trickle Filter for Water Treatment

NONE

Qlozone Aquarium Fish tank Bakki Shower Filter Garden Koi Pond Bacteria House Media Tower Trickle Filter for Water Treatment

£1053.30

Swell Aquarium Dechlorinator 250ml - 2 Pack - Black

Swell UK

Swell Aquarium Dechlorinator 250ml - 2 Pack - Black

£12.99

Anti Hair Algae Treatment

Interpet

Anti Hair Algae Treatment

£4.99

Swell Aquarium Phosphate Remover Media 350g - 2 Pack - Black

Swell UK

Swell Aquarium Phosphate Remover Media 350g - 2 Pack - Black

£29.99