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Marine fish and corals require stable water conditions, which makes regular checking of salinity important.
Its also necessary to check salinity when making up new water for water changes.
The TetraTec Hydrometer makes it simple to accurately check the salt content of water, giving precise readings over a wide temperature range (20 - 29°C).
It works by measuring the specific gravity (relative density) of the water, and converting this to salinity.
All you need to do is fill up the hydrometer with water, and read the value off the scale printed on the side.
Fast Free Delivery within Mainland UK on orders over £60.00.
We offer free mainland UK delivery on orders over £60.00. Smaller orders under £60.00 are subject to a £6.95 delivery charge. Delivery will typically be made within 3 - 5 working days but may be extended during busy times of the year.
Extra charges will apply to certain locations for example Isle of Wight and Offshore Islands. In some cases we can even deliver outside the mainland e.g. Channel Isles and arrange the VAT element for you. In all instances please contact us today for a personalised quote.
We Can Offer Next Day Delivery for £9.95.
To meet our deadline for this service you must order before 11.00am to ensure delivery for the next working day. This excludes weekends and bank holidays.
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