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In a marine aquarium, salinity refers to the amount of dissolved salts in parts per thousand (ppt). Specific gravity also measures salinity and expresses the density of the aquarium water compared to the density of water. The specific gravity of water is 1 and anything heavier than water has a specific gravity that is above 1. The ocean has a salinity of between 34 to 37 ppt. At 35 ppt, seawater has a specific gravity of 1.026. Aim to maintain a specific gravity of between 1.020 to 1.026 in your marine aquarium. Salinity refractomter is the useful tool.

Saltwater pools are favorites as they do not require harsh chemicals to help keep the water disinfected; they simply use salt. When using a salt water pool, you must keep the salt level at a minimum of around 3500 parts per million with salinity refractometer or other tools,  according to our suggestions. To ensure that a salt water pool stays at the appropriate salt level, it is important to test the water. Most salt water pools have their own salt level readout; however, these readouts can sometimes fail, and thus it is important to have one or two backup methods available.

Water salinity testing is used to determine the concentration of salts dissolved in a water sample. Salinity is measured for maintenance of saltwater aquariums, to determine the suitability of water for drinking and for ecological monitoring of aquatic habitats. Salt concentration can be directly measured by evaporating a water sample and measuring the dried salts left behind (total dissolved solids, or TDS). More practical methods such as salinity refractometer Method for estimating water salinity have been developed based on the relationships between the concentration of salt ions and electrical conductivity, density and refractive index.

Saltwater aquariums require regular water changes with synthetic salt mix. Otherwise toxic chemicals and compounds can build up in the water and impact the health of your fish and plants. You also need to check the salinity of the water with the salinity refractometer before it is added to the tank. It's important to mix the water properly and thoroughly, and to use purified water. You can obtain purified water at a reduced price at your local fish store.

Salinity is the measure of how much salt is present in a sample of water. This measurement is important for many scientific purposes, but in everyday life, salinity is most commonly measured to determine the quality of drinking water and in saltwater aquariums. There are two main tools that are used to measure salinity -- hydrometers and refractometers -- and both are simple to use.

The water in freshwater aquariums has almost no salt content. At times, it becomes necessary to add salt to kill bacteria or because of problems with parasites that cause aquarium fish to lose their scales -- the added salt helps the fish maintain salt in their blood during the healing process. However, as a general rule, salt should never be added to a freshwater aquarium. Freshwater aquariums with a higher than normal salt content should be adjusted through a 30 percent water change -- as opposed to the weekly 15 percent water change -- as soon as possible. A salinity refractometer can tell you exactly how much salt is present in your freshwater tank.

RHS-28ATC Salinity Refractometer is designed for testing the concentration of salt water and brine and used for quality control in research and marine industry.

Refractometersales  supply all kind of refractometer, such as Brix Refractometer,Salinity Refractometer,Alcohol Refractometer,Battery Refractometer ,Antifreeze Refractometer  and Cleaning Fluid Refractometer .

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RHS-28 Salinity Refractometer is  designed for testing the concentration of salt water and brine and used for quality control in research and marine industry.

Refractometersales  supply all kind of refractometer, such as Brix Refractometer,Salinity Refractometer,Alcohol Refractometer,Battery Refractometer ,Antifreeze Refractometer  and Cleaning Fluid Refractometer .

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RHS-10ATC Salinity Refractometer is designed for testing the concentration of salt water and brine and used for quality control in research and marine industry.

Refractometersales  supply all kind of refractometer, such as Brix Refractometer,Salinity Refractometer,Alcohol Refractometer,Battery Refractometer ,Antifreeze Refractometer  and Cleaning Fluid Refractometer .

RHS-10 Salinity Refractometer is designed for testing the concentration of salt water and brine and used for quality control in research and marine industry.

Refractometersales  supply all kind of refractometer, such as Brix Refractometer,Salinity Refractometer,Alcohol Refractometer,Battery Refractometer ,Antifreeze Refractometer  and Cleaning Fluid Refractometer .

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