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Hydrometers and Refractometers

Hydrometers and Refractometers

Fluval Sea Hydrometer

Fluval Sea Hydrometer The Fluval Sea Hydrometer measures salt levels in marine aquariums, The...
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£6.24
Kent Marine Hydrometer

Kent Marine Hydrometer, certified Calibrated, the Hydrometer from Kent Marine is easy to read and...
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£9.99
TetraTec Hydrometer

Tetratec Marine Saltwater Hydrometer. The Tetratec Hydrometer is a quick and easy way to measure the...
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£10.45
$D-D Refractometer$
D-D Refractometer

The D-D Refractometer is a simple and robust way of accurately measuring the salinity within your...
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£35.99
$ITC Refractometer LEDBacklight$
ITC Refractometer (With Led Backlight)

ITC Saltwater Refractometer with LED backlight has an easy to read scale aided by the backlit top...
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£39.99
$Red Sea Seawater Refractometer$
Red Sea Seawater Refractometer

An essential bit of kit for any serious marine fish keeper, calibrated for accurate sea water...
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£43.19

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