CASK
water
Mineral water at home. Zero plastic. Anywhere.
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Why CASK
Certified source
UK Natural Mineral Water status. Protected provenance, full mineral transparency. Every batch traceable from aquifer to vessel.
Refillable metal vessel
18/10 stainless steel. Built to last decades. Collected, refilled, returned — indefinitely.
Zero plastic. Anywhere.
No plastic in the vessel, cap, supply chain, or delivery. Zero. Anywhere.
"I grew up on a farm in Africa, drinking pristine mineral water straight from a borehole. After 20 years of working at sea, I couldn't find great mineral water that didn't come with a mountain of waste. So I decided to change that."
Pierce — Founder, CASK Water

CASK Water is a trading name of Sourceloop Holdings Ltd, registered in England and Wales. Company Number: 17245907. Registered office: Unit 2691, 275 New North Road, London, N1 7AA