RODI Water 20 Litres With Added Minerals Tropical Ready Water

Ultra-pure 0 TDS water for freshwater and marine aquariums, delivered to your door with added minerals.

Our RO water removes 99% of impurities including chlorine, heavy metals, nitrates, and phosphates — giving you a blank canvas to create the perfect water chemistry for your tank.

Complete Your RO Water for Optimal Results

Pure water is just the beginning.

Your RO water provides the perfect clean foundation, free from contaminants and unwanted elements. But here's what many aquarists discover: reverse osmosis also removes beneficial minerals like calcium and magnesium that support thriving aquatic life.

By restoring proper GH (General Hardness) and KH (Carbonate Hardness), you'll unlock:

✅ Stronger, healthier fish and shrimp
✅ Stable pH levels throughout the day
✅ Vibrant plant growth and coloration
✅ Successful breeding conditions for sensitive species

• General Community/Most Fish: 4-8 dGH (70-140 ppm).
• Soft Water (Amazonian fish, Discus): 1-3 dGH (or lower).
• Hard Water (African Cichlids, Livebearers): 10+ dGH (or higher). 

 

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• 20 litres of freshly filtered RO water
• Minerals added for a KH choose your KH & GH
• 2 x 10L jerry cans (yours to keep or return for credit)
• Overnight courier delivery (allow up to 48 hours)

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Ultra-Pure Quality
Filtered to 0 TDS — as pure as water gets, free from chlorine, chloramine, and heavy metals.

Total Control
Start with a clean slate — add your own minerals for marine setups or use as-is for freshwater tanks.

Consistent Every Time
Advanced filtration technology ensures reliable, predictable water quality with every order.

Prevents Problem Algae
No phosphates, silicates, or nitrates means fewer algae outbreaks and a cleaner tank.

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• Freshwater aquariums (use as-is or remineralise)
• Mixing saltwater for marine & reef tanks
• Top-offs to replace evaporated water
• Auto top-up systems (ATO)
• Dosing and supplements dilution
• Cleaning equipment without mineral deposits

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Return your empty jerry cans and get £12 store credit for every 6 barrels.
Drop off at Evri for just £2.62 — that's £9.38 back in your pocket.
Add a free returns bag to your order →

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We can deliver RO water and Natural Sea Water together — just add both to your cart or drop us a message to combine orders.

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All water is filtered fresh before dispatch to ensure the purest quality. Same-day dispatch on orders before 3pm (Tues-Sat).

Please choose your desired KH & GH Levels level when ordering