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![]() B072BMSXRN Price: $14.99 Score: 1000.000 Category: Pet Rating: 3.7 Votes: 662 Find similar productsFluval Sea Hydrometer for Aquarium, Medium. Fluval Sea Hydrometer provides an accurate and convenient method of measuring specific gravity and salt level in marine aquariums. Regular testing is strongly recommended as stable salinity levels are essential for the health of marine fish and invertebrates. Compact and easy to use, the hydrometer can be permanently installed inside the tank for continuous readings. Its slim, low-profile design camouflages well inside the tank and will not diminish the aesthetics of the aquarium. It can also be used as a portable device, allowing you to take samples simply by submerging it in the water. The Fluval Sea Hydrometer features large, easy-to-read markings with ideal salinity range clearly marked in green for clarity. | ![]() B00KIDDRYK Availability: Currently unavailable Score: 9.615 Category: Pet Rating: 5 Votes: 1 Find similar productsSalinity Refractometer, Aquarium & Seawater - Dual Scale (1.0 to 1.070 S.g.) Presented by Magnum Media. This dual scale salinity refractometer is used to measure, monitor and control the concentration of salt water and brine, especially useful for aquarium and marine applications. This high quality refractometer measures on 2 scales, Specific Gravity (D 20/20) and parts per thousand and replaces your poor quality and difficult to read hydrometer. With just a couple of drops of aquarium water you know exactly what your salinity is. 3 Year Warranty against defects which is only available through Magnum Media. |
![]() B08GFFR942 Price: $8.99 Score: 9.346 Category: Pet Rating: 2.9 Votes: 58 Find similar productsZRM&E Seawater Hydrometer for Aquarium Aquaculture Seawater Densimeter Ocean Hydrometer Salinity Meter for Fish Tank Salinity Specific Gravity Test. Specification: Type: Seawater Length: 19cm Width: 7.5cm Thickness: 1.5cm Weight: 104g Color: Transparent Material: Plastic Package includes: 1 x Seawater Insert the hydrometer 15cm below the water until the water overflows the baffle When the water is full, take out the hydrometer and place it on a horizontal surface Bubbles attached to the needle will cause inaccurate readings. Tap the hydrometer carefully to shake out the adhered bubbles Read the specific gravity according to the internal scale and the salinity (PPT) according to the external scale. It is suggested that the specific gravity of seawater in the seafood pool should be between 1.020-1.023, that is, within the safety line Specific gravity range: 1.000-1.030 salinity range: 0-40 Rinse with water after each use Sea water hydrometer floating on water surface Primary display of specific gravity, salinity and conductivity of seawater It is easy to use and read. | ![]() B00019JOSO Availability: Currently unavailable Score: 8.547 Category: Pet Rating: 4.2 Votes: 510 Find similar productsInstant Ocean SeaTest Hydrometer. Instant Ocean Hydrometer is accurate, reliable water test equipment is absolutely vital to creating and sustaining a healthy, successful marine environment. Easy to read and simple to operate, the Instant Ocean Hydrometer delivers precise full-range salinity and specific gravity readings - accurate to 0.001 - and does it each time, every time.Product FeaturesAccurate to 0-001Durable, Permanent Needle MountEasy-Read, 2-Color Scale with Safe ZoneExtra-Wide Stabilizer BaseEasy Fill convenience -- NO WET HANDS!. |
![]() B075BKLGG1 Price: $35.99 Score: 7.576 Category: Pet Rating: 4.4 Votes: 160 Find similar productsAquaticHI Aquarium Refractometer w/LED for Saltwater/Brackish/Marine/Reef Tank Testing, Automatic Temperature Control, Salinity 0-100ppt & Specific Gravity 1.000-1.070 (Premium Kit w/LED). THROW AWAY YOUR INACCURATE HYDROMETER! USE A REFRACTOMETER TO PROVIDE ACCURATE READINGS TO MAINTAIN A HEALTHY AQUARIUM WITH CONSISTENT SALINITY LEVELS Description As a serious hobbyist the need for the best way to measure salinity and specific gravity is to use a refractometer to provide accurate measurements. The AquaticHI Aquarium Refractometer is used to PROFESSIONALLY measure the salinity and specific gravity of saltwater. ADJUSTABLE FOCUS to provide the sharpest display. Calibrate using distilled water or a solution with 35ppt. DUAL SCALE and full ATC (auto temperature compensation) to ensure greater CONSISTENCY and ACCURACY in everyday use. Compact and portable for use anywhere. Measurement Scale: Salinity: 0 – 100 ppt (parts per thousand) at 1 ppt resolution Specific Gravity: 1.000 – 1.070 SG at .001 resolution Package Includes: 1 x Salinity Refractometer with LED (CR1220 3V Battery Included) Installed on Plate Prism 1 x Spare Plate Prism (without LED) 1 x Hard Carrying Case 1 x Calibrating Screw Driver 3 x Pippet 1 x Cleaning Cloth 1 x Instruction Manual Recommended Aquarium SG Range: Brackish Water Aquariums: 1.005 to 1.010 SG Marine Fish Only With Live Rock (FOWLR): 1.020 to 1.025 SG Marine Reef Aquariums: 1.023 to 1.026 SG. | ![]() B01N0BEFRO Availability: Currently unavailable Score: 7.143 Category: Pet Rating: 3.5 Votes: 6 Find similar productsSalinity Refractometer, Saltwater Aquarium Seawater Test Meter ATC Handheld Specific Gravity Refractometers Scale [0-100ppt and 1.000-1.070 S.G.]. . |
![]() B0BS3RJSNP Price: $15.99 Score: 7.143 Category: Pet Rating: 4.6 Votes: 1846 Find similar productsAUTOUTLET Salinity Refractometer Saltwater Aquarium for Seawater, Pool, Tank, Marine, Fishkeeping, 0-100PPT & 1.000-1.070 Salinity Tester with ATC Function Salinity Hydrometer Kit. . | ![]() B07ZHZY2J1 Price: $22.99 Score: 7.092 Category: Pet Rating: 4.6 Votes: 698 Find similar productsRZ Aquariums Salinity Refractometer for Seawater Marine Fish-Keeping, Dual Scales Specific Gravity Salinity Meter Hydrometer 0-100ppt & 1.000-1.070, Saltwater Tester with ATC Function. This refractometer is design according to the principle that different concentrations liquid have different refractive index with quick and accurate characteristics. |
![]() B00E5MPK3Q Availability: Currently unavailable Score: 7.092 Category: Pet Rating: 4.6 Votes: 2 Find similar productsMAGNUM_MEDIA Automatic Temperature Compensation Sea Water Salinity Refractometer for Aquarium, 0%-10% (0-100ppt) & 1.000 to 1.070 S.G. DUAL SCALE Hydrometer. Dual Scale Salinity Refractometer - 0-100 Salinity ppt and 1.000-1.070 Salinity SG. Economical Design - Soft Case - 1 Year Warranty. Comes in a Soft Case with pipette, calibration screwdriver and users guide. Perfect for the beginning Reef Tank hobbyist! Look in the Magnum Media Amazon Store for more amazing Salinity Refractometers! Amazon's #1 Refractometer Experts! WE CARRY NATURAL SEA WATER REFRACTOMETERS TOO!. | ![]() B00GFH2WF8 Price: $3.49 Score: 6.897 Category: Pet Rating: 4.2 Votes: 20 Find similar productsEstone Aquarium Glass Float Hydrometer With Thermometer Salt Marine. 100% brand new and high quality Material:Glass Color: As the picture shows For Salt Water / Marine Aquariums Easy to use Measure both Temperature and Specific Gravity of the water Green indicators are ideal range of water temperature and specific gravity for most salt water / marine aquariums Instruction:Place the hydrometer into water, and let it flow freely in the water If water level below the green indicator means more fresh water is required If water level above the green indicator means more salt water is required Size:20cm/7.87 Quantity: 1 Pc Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Pc x Aquarium Glass Float Hydrometer With Thermometer Salt Marine. |









