![Aqua One Floating Hydrometer & Thermometer](http://www.kellyvillepets.com.au/cdn/shop/products/d4237499332a8274e1ec6acd1b081154_XL_900x900.jpg?v=1644289289)
Aqua One Floating Hydrometer & Thermometer
$19.99
SKU 11679
Aqua One Hydrometer with Thermometer Glass provides an accurate reading of temperature and specific gravity.
Green indicators show a safe range of saltwater level and temperature for most saltwater species.
Suitability: Freshwater Tropical & Marine aquariums