07514873125

Pond
Marine
Freshwater
Aquatics Services

Pond
Marine
Freshwater
Aquatics Services

Products search

Product categories

Pond Sludge Removers
Algae Control

See more See less

Price

Brands

Blagdon

Product tags

Feature
Barley Straw
Straw Pad
Straw
Blanketweed
Fountain
Algae
Phosphate

See more See less

Pond Balance Large – Koi & Garden Pond Water Treatment for Clear Healthy Water

£76.57

Pond Balance Value Pack 3,000 Gallons

£31.95

Pond Balance 1,500 Gallons

£20.07

Algizin G 1L

£32.99

Algizin G 500ml

£21.98

Algizin G 250ml

£13.49

Algizin P 1L

£31.99

Algizin P 500ml

£20.99

Algizin P 250ml

£12.98

AquaActiv Algo Fountain 5L

£172.99

AquaActiv Algo Direct 5L

£172.99

AquaActiv Algo Universal 5L

£165.99

AquaActiv PhosLess Algae Protection

£79.99

Algo Fountain 500ml

£18.99

Algo Direct 500ml

£18.99

Previous Page1 Page2 Page3 Page4 Next

About Us

Purewater Diagnostics is a UK-based aquatic specialist supplying pond, aquarium, and marine equipment alongside expert water testing solutions. Known for competitive pricing and reliable service, we support hobbyists and professionals with filtration systems, treatments, and maintenance essentials to keep water environments healthy and balanced.

Address: Purewater Diagnostics, 14 Gordon Close, Haywards Heath, West Sussex, RH161ER

Our Services

Water testing & diagnostics
Pond Construction
Aquarium Maintenance
Filtration Upgrades
Equipment Repairs & Servicing
Fish & Aquarium Removals
Algae Control & Green Water Treatment
Pond Maintenance (Seasonal / Monthly)
Koi Health & Disease Treatment
Emergency Call-Out Services

Customer Services

My Account
Reward Points
Help Centre
FAQs
Contact Us

Tools

Help Guides
Alkalinity Converter
Volume Calculator
Aquarium Log
Salinity Calculator

Follow Us

Facebook X-twitter Youtube

Email

© 2026, Purewater Diagnostics