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Pond
Marine
Freshwater
Aquatics Services

Pond
Marine
Freshwater
Aquatics Services

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Fish Care
Medication
Stock Tanks

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Laguna

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Laguna
Stock Tank
Spawning Brush
Chloramine T
Parasite
Potassium Permanganate
Fluke
Ulcer
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Hydrogen Peroxide
Acriflavin
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Formalin/Malachite
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Permanganate
Propolis

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Permanganate 1L

£30.99

Permanganate 500ml

£19.99

Permanganate 250ml

£12.99

Parazoryne 500ml

£55.99

Paramedic Kit

£24.99

Malachite Green 2.5L

£49.99

Malachite 1L

£30.99

Malachite 500ml

£19.99

Malachite 250ml

£12.99

KoiCalm 10ml

£12.99

Formalin 2.5L

£49.99

Formaldehyde 1L

£30.99

Formaldehyde 500ml

£19.99

Formaldehyde 250ml

£12.99

FMG Mixture 2.5L

£82.99

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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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