{"product_id":"sera-marin-hydrometer-98799","title":"Sera Marin Hydrometer","description":"\u003cstrong\u003e\u003cp\u003eTo monitor the density of seawater simply\u003c\/p\u003e\u003c\/strong\u003e\n\u003cp\u003eSalinity (salt content) can be inferred from the measured density.\u003c\/p\u003e\n\u003cp\u003eSince the salinity of seawater in the aquarium must remain constant, the aquarium water should be checked regularly accordingly. The water to be tested is filled into a sufficiently tall water cup, and the submerged hydrometer is read according to its immersion depth.\u003c\/p\u003e \u003cbr\u003e","brand":"Sera","offers":[{"title":"Default Title","offer_id":43594913185885,"sku":"SR08910","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/0106\/7101\/files\/5BSR08910_5D_20Sera_20Marin_20Hydrometer.png?v=1780605325","url":"https:\/\/shopivet.com\/en-us\/products\/sera-marin-hydrometer-98799","provider":"Shopivet.com","version":"1.0","type":"link"}