50mm Hi Flow Jap Ball Air Stone | High Output Pond Aeration Diffuser

£3.89

8″ Flat Disc Air Stone UK | High Output Pond & Koi Air Diffuser

£17.59

4″ Flat Disc Air Stone | High Output Pond & Aquarium Air Diffuser

£7.99

10″ Dome Air Stone UK | High Performance Pond Oxygen Diffuser

£38.99

6″ Dome Air Stone UK | High Output Pond & Koi Air Diffuser

£17.49

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

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