Find the lowest price for:       All ProductsHydrometers and Refractometers     3.2 (21)   Add a review Instant Ocean SeaTest Hydrometer   Hydrometer 1.000 to 1.030 specific gravity by Instant Ocean. Swing arm style is easy to use and read specific gravity Have a question? Ask the Experts! Set Price Alert Compare Prices Product Spec Member Reviews Recommend to Friends Searched Instant Ocean SeaTest Hydrometer in 150 stores, 20 results found Image Description   Store   Price Instant Ocean Hydrometer 1.000 to 1.030 specific gravity for Aquariums If this item doesn't belong here, click Remove and help us keep our results accurate.   Drs. Foster and Smith   7 Store Reviews   $7.19 Go to Store Aquarium Systems Instant Ocean Hydrometer If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $7.2 (used) Go to Store Aquarium Systems Instant Ocean Hydrometer If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $7.21 Go to Store Aquarium Systems Instant Ocean Hydrometer If this item doesn't belong here, click Remove and help us keep our results accurate.   StrictlyPetSupplies.com   0 Store Reviews   $7.21 Go to Store Full Range Hydrometer For Aquariums If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $7.29 Go to Store Instant Ocean Hydrometer If this item doesn't belong here, click Remove and help us keep our results accurate.   That Fish Place That Pet Place   3 Store Reviews   $7.99 Go to Store Aquarium Systems Hydrometer Instant Ocean If this item doesn't belong here, click Remove and help us keep our results accurate.   Aloha Aquariums   0 Store Reviews   $8.67 Go to Store Full Range Hydrometer For Aquariums If this item doesn't belong here, click Remove and help us keep our results accurate.   Allpetdepot.com   0 Store Reviews   $8.74 Go to Store Instant Ocean SeaTest Hydrometer If this item doesn't belong here, click Remove and help us keep our results accurate.   SeaQuest Marine   0 Store Reviews   $8.88 Go to Store Instant Ocean Hydrometer - Aquarium Systems If this item doesn't belong here, click Remove and help us keep our results accurate.   PetBlvd.com   0 Store Reviews   $8.97 Go to Store Instant Ocean SeaTest Hydrometer If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $8.99 Go to Store Aquarium-Systems Instant Ocean Hydrometer If this item doesn't belong here, click Remove and help us keep our results accurate.   Mail Order Pet   0 Store Reviews   $9.19 Go to Store .Instant Ocean instant ocean hydrometer If this item doesn't belong here, click Remove and help us keep our results accurate.   Pets Warehouse   0 Store Reviews   $9.42 Go to Store Instant Ocean Full Range Hydrometer If this item doesn't belong here, click Remove and help us keep our results accurate.   GregRobert Pet Supplies   0 Store Reviews   $9.72 Go to Store Aquarium Systems Instant Ocean Hydrometer If this item doesn't belong here, click Remove and help us keep our results accurate.   PETCO   0 Store Reviews   $9.99 Go to Store Full Range Hydrometer For Aquariums If this item doesn't belong here, click Remove and help us keep our results accurate.   Aubuchon Hardware   0 Store Reviews   $9.99 Go to Store Instant Ocean Hydrometer If this item doesn't belong here, click Remove and help us keep our results accurate.   arcatapet.com   0 Store Reviews   $10.95 Go to Store Instant Ocean Hydrometer If this item doesn't belong here, click Remove and help us keep our results accurate.   AllPetMall.com   0 Store Reviews   $12.87 Go to Store Instant Ocean SeaTest Hydrometer If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $12.99 Go to Store Instant Ocean SeaTest Hydrometer If this item doesn't belong here, click Remove and help us keep our results accurate.   MarineDepot.com   5 Store Reviews   $12.99 Go to Store Are we missing a store? Let us know! Something wrong in this page? Let us know! Related products: More Instant Ocean Hydrometers and Refractometers Other Hydrometers and Refractometers internal use: spec455