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The ocean appears to be in chemical equilibrium; that is, the proportion and amounts of dissolved salts per unit volume of ocean are nearly constant and have been so for millions of years. So, no, the ocean is not getting saltier and this is because the processes that add andRead More →

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You can easily measure the salinity of sea/ocean water using an instrument called a refractometer, which measures the index of refraction of a particular substance. It is a device used in geology, medicine and agriculture. Set up your refractometer device by dropping three drops of distilled water on its meter.Read More →

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The salinities of mid-ocean ridge hydrothermal systems range from ~0.1 to 7-8 wt% NaCl. How does hydrothermal vents affect the ocean? Hydrothermal vents support unique ecosystems and their communities of organisms in the deep ocean. They help regulate ocean chemistry and circulation. They also provide a laboratory in which scientistsRead More →

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Most reef-building corals also require very saline (salty) water ranging from 32 to 42 parts per thousand. The water must also be clear so that a maximum amount of light penetrates it. This is because most reef-building corals contain photosynthetic algae, called zooxanthellae, which live in their tissues. What happensRead More →

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Water and soil salinity are measured by passing an electric current between the two electrodes of a salinity meter in a sample of soil or water. The electrical conductivity or EC of a soil or water sample is influenced by the concentration and composition of dissolved salts. How accurate areRead More →

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Lower salinity makes it harder for most parasites to thrive, and lowers stress for fish. What salinity will kill fish? Yes, anything about 1.025 actually CAN kill fish. I know of several people who keep their SG at 1.026 (including myself) but you can only keep hardy fish if youRead More →

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Salinity is defined as the ratio between the weight of the dissolved materials and the weight of the sample sea water. … Evaporation is also controlled by salinity as it is lower over more saline water than over less saline water. Salinity also increases the density of sea water. WhatRead More →