• Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation

    Refractometer for seawater and marine fishkeeping aquarium 0-100 ppt Details : This optical refractometer (salinity meter) has scales in the range of 0 - 100 ppt(0 - 10 %). The reading resolution is 1 ppt. It is designed for the measurement of seawater (marine aquaria) or very low concentrated salt solutions. The second scale is for reading of the salt solution density in range 1.000 to 1.070 g/cm3 (resolution 0.001 g/cm3). The usual salinity of the selected aqueous solutions 1.Fresh water ---< 0.5 ppt 2.Brackish water---0.5 to 30 ppt 3.Saline water (Seawater)---30 to 50 ppt 4.Brin... [Read More]

    • ASIN: B018LRO1SU
    • UPC: 710824285742
    • ASIN: B018LRO1SU
    • Brand: Agriculture Solutions
    • Manufacturer: Xin Da Cheng

  • AquaticHI 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 DescriptionAs 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 e... [Read More]

    • ASIN: B075BQLGF8
    • ASIN: B075BQLGF8
    • Brand: AquaticHI
    • Size: Premium Kit w/ LED
    • Manufacturer: Center Optoelectronics Technology Company Limited

  • Professional Automatic Temperature Compensation Salinity Refractometer for Aquariums, Marine Monitoring, Saltwater Testing.Dual Sacle: 0-100ppt & 1.000-1.070 Specific Gravity

    Brand new Salinity Refractometer that is used to measure the salinity levels of saltwater aquariums and the worlds oceans. Calibrate with either distilled water or a 35ppt Salinity standard. Wipe off the saltwater after each use. This unit comes with Automatic Temperature Compensation or "ATC". This feature allows you to get a reading outdoors when the temp is between 50'F-86" (10'C-30'C). If you test outside of temp range your readings will become gradually more and more inaccurate. For best results, test indoors. No batteries necessary as you only need strong light - daylight (sunny o... [Read More]

    • ASIN: B00AZ1SMC2
    • UPC: 700220578166
    • ASIN: B00AZ1SMC2
    • Brand: Magnum Media Salinity 10ATC
    • Manufacturer: Magnum Media

  • Instant Ocean Reef Crystals Reef Salt for Reef Aquariums, 160-Gallon

    Instant ocean reef crystals are easy-to-use and provide all of the necessary elements required for a healthy coral environment. extra calcium, trace elements and vitamins promote growth and support the health of a variety of corals; including stony corals, coralline algae, anemones and other invertebrates. built-in metal detoxifier goes a step farther to neutralize traces of heavy metals often found in domestic water supplies.

    • ASIN: B000HCLNQG
    • UPC: 051378017060
    • ASIN: B000HCLNQG
    • Brand: Instant Ocean
    • Size: 160-Gallon
    • Manufacturer: Instant Ocean

  • Seachem Laboratories ASM7582 Salinity for Reefs Aquarium Systems, 450-Liter

    Salinity is a blend of salts specifically formulated for the reef aquarium that contains all essential major, minor, and trace components found in natural reef waters, but contains no toxic or non-essential components. Additionally, salinity is the most concentrated salt blend on the market. With a hydration level of

    • ASIN: B007TUEIWU
    • UPC: 000116758208
    • ASIN: B007TUEIWU
    • Brand: Seachem
    • Size: 450-Liter
    • Manufacturer: TopDawg Pet Supply

  • Bubblefin ATC Salinity Refractometer - Dual Scale (1.0 to 1.070 S.G.)

    Automatic Temperature Compensation Salt Salinity Refractometer - Dual Scale 0% - 10% & 1.0 to 1.070 S.G. Dual Scale Hydrometer. Designed for the safety transportation purpose, the very 1st open of the product case might be tight. Refractometer for seawater, reef aquarium, kitchen use etc. 0-100 ppt : Our optical refractometer has scales ranged from 0 - 100 ppt (0 - 10 %). The reading resolution is 1 ppt. It is designed for the measurement of seawater (marine aquaria) or very low concentrated salt solutions. The second scale is for reading of the salt solution density ranged from 1.000 to 1.070... [Read More]

    • ASIN: B071KBQDPC
    • UPC: 643845798475
    • ASIN: B071KBQDPC
    • Brand: Bubblefin
    • Manufacturer: Bubblefin

  • SunGrow Aquarium Refractometer, 7.6 Inches, Measure Salinity of Water, Remarkable Accuracy, Includes Calibration Tool, Ensures Overall Health of Plant and Marine Life, Easy and Clear Reading

    This refractometer is the best way to measure salinity and specific gravity of aquarium water. This instrument is very affordable and can be used to monitor the conditions of reef tanks and saltwater aquariums. How to Use: Using the pipette that comes with this refractometer, place 1 to 2 drops of aquarium water onto the prism glass and close the plate cover. Once the drop of water are on the surface, the refractometer can accurately measure the light that is refracted through the water droplets. It uses a specific algorithm for measuring seawater. Look through the eyepiece and view the scale... [Read More]

    • ASIN: B071RMR7BJ
    • UPC: 791043305961
    • ASIN: B071RMR7BJ
    • Brand: SunGrow
    • Manufacturer: MARIMO PET STORE

  • API Saltwater Master Test Kit 550-Test Saltwater Aquarium Water Test Kit

    Protect marine fish and invertebrates from unsafe water conditions with API SALTWATER MASTER TEST KIT. Fish waste, uneaten food, plant refuse and other organic compounds can create harmful levels of ammonia, nitrite and nitrate as well as cause drastic fluctuations in pH. These unhealthy conditions can result in fish stress, gill and tissue damage and even death. The API SALTWATER MASTER TEST KIT accurately measures these four saltwater parameters that are key to keeping your aquarium healthy. It includes six bottles of liquid test reagent, four glass test tubes with snap-tight caps, a holding... [Read More]

    • ASIN: B001EUE808
    • UPC: 317163134016
    • ASIN: B001EUE808
    • Brand: API
    • Size: 1-Pack
    • Manufacturer: Aquarium Pharmaceuticals

  • AccuBrate Refractometer and Hydrometer Salinity Calibration Fluid - 250 ml Solution to Accurately Calibrate Refractometer and Hydrometer for Testing Natural Saltwater or Synthetic Sea Water (250 ml)

    Our AccuBrate solution is specifically formulated to calibrate refractometers and hydrometers to accurately measure the salinity of saltwater, reef aquariums as well as natural seawater. Our calibration solution is formulated from a high purity blend of salts to produce accurate readings every time.Our bottles' lid has a built-in dropper which eliminates the need for a pipette. Simply squeeze a few drops of AccuBrate directly from the bottle onto the refractometer's prism slide and you are ready to calibrate your instrument. A refractometer is useless unless you calibrate it often with an accu... [Read More]

    • ASIN: B07L5YLB2L
    • UPC: 692599548508
    • ASIN: B07L5YLB2L
    • Brand: Aquatic Experts
    • Size: 250 ml
    • Manufacturer: Aquatic Experts

  • Instant Ocean Sea Salt for Marine Aquariums, Nitrate & Phosphate-Free, 50-Gallon

    No matter what size your aquarium, Instant Ocean sea salts and water care products offer the smartest, easiest way to bring to ocean home. Our scientifically formulated sea salts are used exclusively by many of leading large-scale aquariums and research facilities across the country. Instant Ocean Sea Salt is the most carefully formulated and universally preferred sea salt in the world. The #1 choice of hobbyists, public aquariums, and scientific research facilities, Instant Ocean Sea Salt has set the industry standard for quality, consistency, and value for more than 50 years. Mix Instant Oce... [Read More]

    • ASIN: B000255NKA
    • UPC: 719279584394
    • ASIN: B000255NKA
    • Brand: Instant Ocean
    • Size: 50-Gallon
    • Manufacturer: Instant Ocean

  • Hanna Instruments HI758 Marine Calcium Checker Test Kit - Saltwater Aquariums

    Calcium presence in water supplies results from passage over deposits of limestone, dolomite, gypsum and gypsiferous shale. Its concentration may extend from 0 to several hundred milligrams per liter, depending on its source and treatment. Calcium is necessary in plant and animal nutrition since it is an essential constituent of bones, shells and plant structures. Calcium in water as carbonate is one of the primary components of water hardness which can cause pipe or tube scaling. The HI 758 Calcium Checker HC is extremely simple to use. First, zero the instrument by adding Reagent A, deionize... [Read More]

    • ASIN: B005FH2OIY
    • UPC: 757901787669
    • ASIN: B005FH2OIY
    • Brand: Hanna Instruments
    • Manufacturer: Hanna Instruments

  • Hanna Salinity Tester HI98319

    Get Hanna and test with confidence! Designed to bring simplicity to salinity testing during the any process, the HI98319 Marine Salinity Tester measures conductivity (EC) to determine the salinity of natural and artificial seawater. Within seconds, the salinity and temperature are digitally displayed on the LCD. Displays results in parts per thousand (ppt), Practical Salinity Units (PSU), or specific gravity (S.G.). Comes with all the necessary solutions and batteries- everything you need to get started measuring right away. Ideal for testing salinity in aquariums, field, and industrial settin... [Read More]

    • ASIN: B07SW89GVP
    • ASIN: B07SW89GVP
    • Brand: Hanna Instruments
    • Manufacturer: Hanna Instruments

  • Ade Advanced Optics Dual Scale 1.0 to 1.070 S.G. Salinity Refractometer for Aquarium & Seawater

    This dual scale salinity refractometer is used to measure, monitor and control the concentration of salt water and brine. It is especially useful for aquariums and marine applications. This high quality refractometer measures on 2 scales, Specific Gravity (D 20/20) and parts per thousand. It can replace your difficult to read hydrometer. Just a couple drops of aquarium water and you know exactly what your salinity is.

    • ASIN: B005ES6MOQ
    • UPC: 798304140446
    • ASIN: B005ES6MOQ
    • Brand: Ade Advanced Optics
    • Size: Large
    • Manufacturer: Ade Advanced Optics

  • Hanna Marine Alkalinity (dKH) Checker HC - HI772

    The HI772 Checker®HC (Handheld Colorimeter) provides a simple, accurate, and cost-effective way to measure alkalinity in degrees of carbonate hardness, commonly abbreviated as dKH. Critical to marine environments, alkalinity not only provides the carbonate ion required for calcium carbonate skeletal regeneration of coral reefs, but it also acts as a pH buffer against large changes in acidity. Designed as a more accurate alternative to chemical test kits, the HI772 provides quick, accurate results in a few easy steps.Features at-a-glance: Easier to use and more accurate than chemical test kits... [Read More]

    • ASIN: B01G969YA0
    • ASIN: B01G969YA0
    • Brand: Hanna Instruments
    • Size: 7.5x5x2.5
    • Manufacturer: Hanna

  • Premium Salinity Refractometer with Automatic Temperature Compensation for Saltwater, Aquarium, Marine Reef Tank Testing - Dual Scale (0-100ppt & 1.000 to 1.070 S.G.)

    The Salinity Refractometer is an optical salt meter designed to test the salinity of water or brine. Brined products including poultry, bacon, ribs or seafood are often flavored, tenderized and preserved using brine. The Salinity Refractometer displays a direct reading of the specific gravity and concentration (Parts Per Thousand) of salt in water. This portable refractometer can be used to check and maintain stock solutions and dilutions. In the food industry, the brix meter is especially effective in the preparation of frozen vegetables, fruits, seafood and ocean byproducts.✔ Hand-held ana... [Read More]

    • ASIN: B07SL4V6Y5
    • ASIN: B07SL4V6Y5
    • Brand: ONE250
    • Manufacturer: ONE250

  • Instant Ocean Reef Crystals Aquarium Sea Salt for Reef Saltwater Aquariums, 200 gal

    No matter what size your aquarium, Instant Ocean® sea salts and water care products offer the smartest, easiest way to bring to ocean home. Our scientifically formulated sea salts are used exclusively by many of

    • UPC: 37166683
    • Model: RC1-200
    • Color: Multicolor
    • Size: 200 gal

  • Bio-Activ Live® Aragonite Natural White Reef Sand #1, 20-Pound Bag

    Nature's Ocean Bio-Activ Live Aragonite Natural White #1 Live Sand 20LBS (Grain size: 0.5-1.7mm). Premium Live® Aragonite Sand for Aquariums; Collected in its natural environment and packaged in its natural state (U.S. Patent #'s: 6,376,299

    • UPC: 604456107
    • Model: 729904107010

  • Handheld Refractometer for Marine Aquarium Fish Tank Salinity Testing Salt Meter

    Description:Item type: Handheld RefractometerMeasuring range: Seawater salinity meter 0-100% salt specific gravity 1.000-1.070sgColour: BlackFeatures-- Eco-friendly material-- Automatic temperature compensation-- Measures on 2 scalesPackage includes:1 * Handheld RefractometerNotes:1-2cm error might exist due to manual measurements, please

    • UPC: 252555798

  • Ruby Reef Arr11163 Kich-Ich And Rally Aquarium Water Treatment 64-Ounce (Pack of 1)

    Ruby Reef Arr11163 Kich-Ich And Rally Aquarium Water Treatment 64-Ounce (Pack of

    • UPC: 34418280

  • Carib Sea Arag-Alive! Special Grade Reef Sand Aquarium Substrate, 20 Lb, Fiji Pink

    Carib Sea Arag-Alive! Special Grade Reef Sand Aquarium SubstrateBring a bit of the Caribbean home with CaribSea, Inc., maker of environmental accessories for aquariums. CaribSea Arag-Alive! Special Reef Grade Aquarium Substrate helps you easily set

    • UPC: 24904172
    • Model: 013020
    • Color: Multicolor

  • API Marine Quick Start, Saltwater And Reef Aquarium Nitrifying Bacteria, 16 oz

    In a new aquarium, harmful ammonia and nitrite build up from fish waste, often resulting in fish loss or “new tank syndrome”. The unique, patented nitrifying bacteria in API QUICK START Saltwater And Reef Aquarium

    • UPC: 616838976

  • UP Glass saltwater Hydrometer - reef Soft Coral salinity marine fish shrimp sea

    Need it for raising brine shrimp

    • UPC: 777224446

  • Saltwater Marine Aquarium Salinity Portable Refractometer Meter ATC 0~10% reef

    This latest salinity refractometer is designed for testing the concentration of salt water and brine and used for quality control in research and clinical laboratories and marine industry. Its scale provides a direct reading of

    • UPC: 803844864

  • Aquarium Hydrometer and salinity meter,

    specific gravity units which range from 1.020 - 1.023 is the most idealDesigned for use in warm water aquariums (70-85 F).Readings are temperature-corrected & accurate to +/-

    • UPC: 107526051

  • 60 Gallon Frag Reef Ready Framed Aquarium With Plumbing Kit

    60 Gallon Frag Reef Ready Framed Aquarium With Plumbing KitMade of GlassDistortion Free GlassDiamond Polished EdgesOne Pre-Filter Corner OverflowPatented Flow Rate System1" Drain and 3/4" ReturnComes with Reef Plumbing Kit*Dimensions/Size: 48"x24"x12"Frame: BlackWeight: 79.2 lbsModel AM18060Aquarium

    • UPC: 153614258
    • Rating: 1.0

  • Salinity and Reef Tanks

    Let's discuss salinity

    Aquarium Salinity: How to Measure and Why It's Important