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Hydrometer

12 products
Aquarium Solutions AccuProbe Hydrometer
(3872)
Starting at $3.99
…corrected readings from 68° and 85°F. Aquarium Solutions AccuProbe Hydrometers are available in limited-range AccuProbe Mini Hydrometer and wide range AccuProbe Hydrometer to accommodate your particular aquarium needs.AccuProbe Hydrometer - Wide-range specific gravity meter displays reading in both…
Deep Six Hydrometer
(3878)
Starting at $6.99
…x 5-3/4" high.Directions:Submerge hydrometer approximately 6" below water surface until water reaches the fill line.Remove hydrometer and place on a level surface.Air bubbles adhering to the pointer will result in inaccurate, high readings. Gently tap hydrometer to dislodge any air bubbles.Read…
Instant Ocean Hydrometer
(3880)
Starting at $9.49
…use, condition hydrometer by soaking it in saltwater for 24 hours.Step 1 - Slowly fill the Instant Ocean Hydrometer by dipping bottom corner fill port below water surface until water flows up and over inner weir. Step 2 - Dislodge air bubbles by gently tapping hydrometer or pointer. Air…
Coralife BioCube Aquarium System Accessories
(5364)
Starting at $5.99
…separately.--->Oceanic BioCube Circulation Pump is the perfect accessory for Oceanic BioCube Aquarium Systems. Sold separately. Optional Mini Hydrometer allows discreet placement in your BioCube for continuous salinity and specific gravity readings.Use BioCube Algae Cleaning Magnet (sold separately)…
Pinpoint Salinity Monitor
(3871)
Starting at $109.99
…by electronic conductive means has long been considered to be the most accurate method, especially when compared to Specific Gravity/Density (hydrometers) and refractometersMarine environments should use the calibration fluid labeled 53.0mS. Empty the 53.0mS into a small, clean cup and swirl the…
Two Little Fishies AccuraSea Seawater Reference Calibration Solution
(4493)
Starting at $11.04
…rinse off any salts in the hydrometer. Allow hydrometer to dry overnight. Carefully pour AccuraSea SRCS into the hydrometer to avoid bubbles attaching to the swing arm, tap off any bubbles with a plastic stirrer. A 25°C calibrated hydrometer (most aquarium hydrometers) filled with AccuraSea SRCS at…
Seachem HydroTote Collapsible Water Jug
(4933)
Starting at $11.95
…- not prepared salt water. Remember, salts remain behind after water evaporates. If you top off your aquarium with salt water, you are compounding salt levels in your aquarium. Before using a new swing-arm hydrometer, condition or "season" the hydrometer by soaking it in saltwater for 24 hours.
Brightwell Aquatics NeoMarine Precision Salt Blend for Reef Aquaria
(3894)
Starting at $20.79
…deionization be used for seawater preparation. Allow the freshly-made seawater to mix thoroughly with a submersible pump. Always use an accurate hydrometer or (preferably) refractometer to determine the specific gravity of prepared seawater. Ensure that the water temperature matches that of the…
Eheim 9G Aquastyle Aquarium - 2 Pack Filter Replacement Pads
(5505)
Starting at $1.99
…with fresh water to help maintain the proper salinity level. Note: When changing saltwater, be sure to check the accurate salinity level with a hydrometer. Water can be made by using synthetic salt or you can purchase ready-made salt water. Water Evaporation Evaporation will occur at varying rates…
Instant Ocean & Reef Crystals Synthetic Sea Salt
(3896)
Starting at $16.99
…suggest that you aerate the water with an air pump to adequately oxygenate the water prior to use.Adjust salinity with an accurate hydrometer such as the SeaTest® Hydrometer full range specific gravity meter. Recommended specific gravity range: 1.020 to 1.023 at 75°F. If specific gravity is too low,…
Red Sea Salt
(3927)
Starting at $13.49
…vigorously until all of the salt is dissolved and pH has stabilized to 8.2-8.4.To achieve desired salinity, measure the S.G. with an accurate hydrometer and add salt or water, to increase or decrease the S.G. respectively. (Due to variation of S.G. with temperature, make sure water is at 25°C/77°F…
Coralife Marine Salt
(5711)
Starting at $15.99
…to every 10 gallons. Aerate mixture to attain adequate gas equilibrium. Adjust salinity (specific gravity) to desired level using a reliable hydrometer. To increase salinity, add salt. To decrease salinity, add water. A specific gravity of 1.021-1.023 is recommended for most marine tanks. Reseal…
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