Natural Sea Water — 20 Litres
Premium sea water from the Dorset coastline, delivered fresh to your door.
Sourced from a licensed deep-water pipeline off the pristine Dorset coast, our natural sea water is teeming with millions of beneficial bacteria and micro-organisms that synthetic salt mixes simply can't replicate.
What's Included
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20 litres of fresh natural sea water
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2 x 10L jerry cans (yours to keep or return for credit)
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Overnight courier delivery (allow 1-3 days)
Why Reef Keepers Choose Our NSW
Naturally Balanced
Perfect salinity (35ppt), pH, and mineral content — no mixing, no measuring, no guesswork.
Living Water
Packed with beneficial bacteria that help establish biological filtration and support coral health.
Pristine Source
Harvested from a deep-water supply line, free from coastal pollutants and contaminants.
UK Environment Agency Licensed
Collected responsibly under strict quality controls.
Perfect For
- Reef aquariums & marine tanks
- Water changes (maintains natural trace elements)
- New tank cycling (jump-start your biological filter)
- Coral dipping and acclimation
- Quarantine systems
Save on Every Order
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 →
Need RO Water Too?
We can deliver NSW and RO water together — just add both to your cart or drop us a message to combine orders.
Always in Stock
We hold 28,000+ litres of fresh natural sea water, so you'll never be left waiting. Same-day dispatch on orders before 3pm (Tues-Sat).
