Find Reviews and Compare Prices for:       All ProductsHydrometers and Refractometers     2.7 (6)   Add a review Hagen Living Sea Floating Hydrometer with Thermometer C & F large 12 i...   Proper salt content is vital to the health and well being of captive marine species. Use the Hagen Aquarium Hydrometer to determine actual specific gravity of marine water aquariums on an ongoing basis. Ensure all... Have a question? Just Ask! Member Reviews Compare Prices Product Spec Send to a friend Set Price Alert Searched Hagen Living Sea Floating Hydrometer with Thermome C & F large 12 inch in 150 stores, 1 results found Image Description   Store   Price Hagen Living Sea Hydrometer-Thermometer C and F, Large, 12-Inch If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $7.89 Go to Store You can also search these stores   Find this product on eBay   eBay   5 Store Reviews   Search on eBay Are we missing a store? Let us know! Something wrong in this page? Let us know! Related products: More Hagen Hydrometers and Refractometers Other Hydrometers and Refractometers internal use: spec454