FREE DELIVERY ON ORDERS OVER £20.00 (DELIVERING TO NR32, NR33, NR34, & IP18 POSTOCODES ONLY)

*NOT INSTORE* Aquarium Systems SeaTest Hydrometer

£11.70

Aquarium Systems Sea Test Hydrometer

Measures Specific Weight from 1.000 to 1.030

Measures Salinity from 0 to 40 ppt