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Water for Aquariums

Every aquarium needs clean water. Here at Rock 'N' Critters, we offer great prices on water for fish tanks - choose from salt water and RO (reverse osmosis) water.

COLLECTION ONLY: Please note that, when you buy aquarium water from us, you MUST collect your order from our showroom. Click here for directions.

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Get in touch with Rock 'N' Critters

Not sure what kind of water to put in your fish tanks? Or perhaps you don't know how often to change your aquarium's water? If you have any questions at all, please don't hesitate to contact the experts here at Rock 'N' Critters.


Our Reward Scheme

Earn points as you spend! £1 = 1 point. Points can be redeemed against future purchases. Sign Up For An Account
Register an account on the Rock ‘N’ Critters website and order online with confidence.
Every time you make a purchase, you earn points – 1 point for every pound spent!
The points you earn will give you money off future Rock ‘N’ Critters purchases!