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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
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Potassium Permanganate
Fluke
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Formalin/Malachite
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Chloramine T 250g

£36.99

Chloramine T 50g

£12.99

Potassium Permanganate 250g

£19.99

Potassium Permanganate 100g

£12.99

Top Coat Sealer

£18.19

Roccal Wound Cleaner 50ml

£12.99

Koi Sedate 500ml

£41.57

Koi Sedate 250ml

£22.47

Koi Sedate 50ml

£6.99

8‑Piece Ulcer Treatment Kit

£56.94

Acriflavin & Malachite Green 1L

£55.05

Acriflavin & Malachite Green 500ml

£38.20

Acriflavin & Malachite Green 250ml

£25.84

Malachite Green 1L

£35.95

Malachite Green 500ml

£21.35

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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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