1
Measures salinity from 0 to 100 PPT.
Automatic temperature compensation for accurate readings.
Ideal for aquariums and marine monitoring.
Two measurement scales: Specific Gravity and PPT.
Durable chromium construction for long-lasting use.
Includes hard case, dropper, and cleaning cloth.
Easy-to-use with included user manual.
Average Rating out of 5:
Price Range: $17.99
2
Measures water salinity accurately in aquariums.
Temperature-corrected readings for reliable results.
Six inch depth water sample collection.
Easy-to-read display for convenience.
Designed for warm water aquarium use.
Trusted brand in premium aquarium products.
Helps maintain optimal fish tank conditions.
Average Rating out of 5:
Price Range: $12.49
Material: cotton
3
Accurate pH measurement for water quality.
5-in-1 testing for various water parameters.
Salinity, TDS, EC, and temperature readings.
Three display options: PPM, PPT, and percentage.
User-friendly with clear LCD and buttons.
Compact and portable for easy use.
Ideal for pools, aquariums, and spas.
Average Rating out of 5:
Price Range: $32.99
Color: Green
Material: plastic
4
Tests salinity and specific gravity accurately.
Easy to read with swing-arm pointer.
Transparent acrylic material for durability.
Temperature-corrected readings for precision.
Suitable for saltwater and freshwater tanks.
Wide stable base ensures accurate measurements.
Easy maintenance with simple cleaning process.
Average Rating out of 5:
Price Range: $9.99
Color: Transparent
5
Measures salinity and specific gravity accurately.
Ideal for aquariums and marine monitoring.
Dual scales: salinity and specific gravity.
Measurement range: 0-100‰ and 1.000-1.070.
Built-in Automatic Temperature Compensation (ATC) feature.
Durable, lightweight aluminum construction.
Compact design with rubberized grip handle.
Average Rating out of 5:
Price Range: $16.99
Size: size:a
Color: Silvery
Material: Aluminum
6
Measures salinity in two scales: PPT and specific gravity.
Ideal for aquariums, fishkeeping, and marine monitoring.
Automatic Temperature Compensation for accurate results.
Easy to use with a simple drop of sample.
Durable aluminum and ABS rubber construction.
Includes plastic case, mini screwdriver, and dropper.
Compact design for easy portability and storage.
Average Rating out of 5:
Price Range: $15.99
7
Accurate readings for optimal aquarium health.
Medium size suitable for various aquarium types.
Durable construction ensures long-lasting performance.
Affordable without compromising on quality.
Made in the USA with premium materials.
Field tested for reliable results.
Lightweight design for easy handling.
Average Rating out of 5:
Price Range: $8.18
Size: Medium
Color: green
Material: Glass
8
Accurate humidity measurement for terrariums.
Clear analog dial for easy reading.
Simple installation with adhesive backing.
Durable design for long-lasting use.
Helps maintain optimal humidity levels.
Perfect for reptiles and tropical plants.
Compact size fits various terrarium setups.
Average Rating out of 5:
Price Range: $6.76
Color: May Vary
9
Accurate temperature and humidity monitoring for reptiles.
Stylish design with easy installation options.
Includes battery for immediate use upon purchase.
Displays temperature in Fahrenheit or Celsius.
Manufactured to high-quality standards for durability.
365-day warranty for customer satisfaction assurance.
Compact size fits easily in tanks and terrariums.
Average Rating out of 5:
Price Range: $9.99
Size: 1 pack
Color: silver
Material: Plastic
10
Accurate pH and salinity readings for aquariums.
Simultaneously displays pH, salinity, and TDS values.
Portable design for easy use in various tanks.
Calibration solution ensures precise measurements every time.
Includes specific gravity conversion card for convenience.
Upgraded thermometer for stable and accurate temperature readings.
24/7 customer support for any inquiries or assistance.
Average Rating out of 5:
Price Range: $33.99
11
3-in-1 meter measures salinity, temperature, and SG.
High accuracy for reliable hydroponics and aquaculture.
Easy-to-read digital display with backlight feature.
Automatic temperature compensation for precise readings.
Pen-type design for convenient portability and storage.
No complicated setup; simple one-button operation.
Ideal for aquariums, fish ponds, and more.
Average Rating out of 5:
Price Range: $44.99
12
Measures salinity and specific gravity accurately.
Range: 0-100‰ salinity, 1.000-1.070 specific gravity.
Automatic temperature compensation for precise readings.
Easy to use, suitable for beginners.
No batteries required for operation.
Perfect for marine aquariums and saltwater pools.
Ideal for educational and agricultural purposes.
Average Rating out of 5:
Price Range: $19.99
13
Accurate salinity measurements for aquariums and labs.
Dual scale: 0-100 PPT and 1.000-1.070 SG.
Durable aluminum and rubber design for outdoor use.
Automatic temperature compensation for precise readings.
Ideal for marine tanks, research, and brewing.
Complete kit with tools for easy calibration.
Protective case included for safe storage.
Average Rating out of 5:
Price Range: $17.99
Color: Blue
14
Accurate readings for specific gravity and temperature
Floating design for easy use in any corner
Durable materials withstand harsh saltwater conditions
Essential for both beginners and experienced aquarists
Convenient for marine fish tank maintenance
Helps ensure health of aquatic pets
Compact size for easy storage and handling
Average Rating out of 5:
Price Range: $13.59
Size: Medium
Color: As Shown
15
Dual scales for accurate salinity measurement.
Measures specific gravity and parts per thousand.
Ideal for aquariums and marine monitoring.
Easy to use with simple drop application.
Automatic temperature compensation for precise results.
Durable design with premium materials for longevity.
Compact and portable for on-the-go testing.
Average Rating out of 5:
Price Range: $16.99
Color: Blue Salinity Refractometer
16
Measures salinity for aquariums and marine monitoring.
Dual scale: 0-100 PPT and 1.000-1.070 SG.
Automatic temperature compensation for accurate readings.
Durable aluminum and ABS rubber construction.
Includes hard case, cleaning cloth, and dropper.
Portable USB LED light for easy calibration.
No batteries required for operation.
Average Rating out of 5:
Price Range: $15.99
17
Accurate automatic hydrometer for aquatic environments.
Durable plastic; clear and easy to read.
Indicates salinity and specific gravity clearly.
Range: 1.000 to 1.030 specific gravity.
Perfect for freshwater and saltwater aquariums.
Compact design; waterproof and easy to store.
Swing-arm pointer ensures precise measurements.
Average Rating out of 5:
Price Range: $10.99
Material: Plastic
18
Automatic temperature compensation for accurate readings.
Measuring range: salinity 0-100‰, specific gravity 1.000-1.070.
Easy to use for aquariums and salty pools.
Minimum scale precision: salinity 1‰, specific gravity 0.001.
Compact design for convenient storage and transport.
Durable construction for long-lasting performance.
Essential tool for marine aquarists and hobbyists.
Average Rating out of 5:
Price Range: $14.99
19
5-in-1 functionality for comprehensive water testing.
High-definition LCD for easy reading.
Simultaneous display of multiple parameters.
Automatic temperature compensation for accurate results.
Includes calibration solutions for pH and salinity.
Ideal for aquariums, pools, and hydroponics.
Portable design for on-the-go testing.
Average Rating out of 5:
Price Range: $26.99
20
Large salinity range: 0-200 PPT and 9999 ppm.
Automatic temperature compensation for accurate readings.
Green backlit LCD for easy visibility.
Multifunctional: tests salinity, TDS, EC, and temperature.
One-tap switch between salinity and TDS/EC.
IP67 waterproof design for durability.
Ideal for aquariums, hydroponics, and salty pools.
Average Rating out of 5:
Price Range: $27.99
21
Tests salinity and specific gravity in aquariums.
Accurate readings within +/- 0 for precision.
Easy to use; simply dunk and read.
Clearly marked scale for quick result interpretation.
Extra-wide stabilizer base for secure placement.
Two-color scale highlights safe zone readings.
Essential tool for maintaining healthy marine tanks.
Average Rating out of 5:
Price Range: $13.65
Size: 6 IN
Color: Whites & Tans
Material: Plastic
22
Measures temperature and specific gravity accurately.
Designed for saltwater and marine aquariums.
Easy to use for all aquarium owners.
Floating design for reliable readings.
Green indicators for ideal water conditions.
Durable glass construction for long-lasting use.
Compact size for convenient storage and handling.
Average Rating out of 5:
Price Range: $3.99
Color: As Shown in the Picture
Material: Glass
23
Quick and easy salinity measurement for aquariums.
Specific gravity range: 1.000 - 1.030.
Salinity range: 0 - 40 ppt.
Durable design for long-lasting use.
Rinse with fresh water after each use.
Compact size for convenient storage and handling.
Perfect for saltwater fish tank enthusiasts.
Average Rating out of 5:
Price Range: $8.99
Color: Clear
24
Dual scale for precise salinity measurement.
Range: 0-100 ppt for NaCl levels.
Specific Gravity range: 1.000 to 1.070.
Automatic Temperature Compensation for accuracy.
Compact, lightweight, and portable design.
Perfect for marine saltwater tanks.
2-Year No Hassle Free Replacement Guarantee.
Average Rating out of 5:
Price Range: $23.99
Size: Large
25
4-in-1 testing: salinity, TDS, EC, temperature.
Wide testing range: 0-10000ppm, 10.1-200.0ppt.
Automatic temperature compensation for accurate readings.
Backlit display for low light visibility.
Auto shut-off after 5 minutes of inactivity.
Versatile for pools, aquariums, and water quality.
Lower TDS and EC indicate purer water.
Average Rating out of 5:
Price Range: $28.99
26
Measures specific gravity and salinity accurately.
Dual scales for easy reading: 0-100ppt.
Automatic temperature compensation for precise results.
Lightweight aluminum body with durable construction.
Includes hard plastic case for safe storage.
Simple to use with clear optical eyepiece.
Ideal for aquariums, pools, and marine monitoring.
Average Rating out of 5:
Price Range: $17.97
Color: black and silver
27
Accurate glass hydrometer for salinity measurement.
Ideal for marine aquariums and saltwater fish.
Easy-to-read green indicator for optimal conditions.
Measures both temperature and specific gravity.
Durable design for long-lasting aquarium use.
Simple operation with clear instructions provided.
Essential tool for successful mariculture practices.
Price Range: $4.33
28
Accurate reading for marine aquariums.
Compact size for easy storage and handling.
Durable construction for long-lasting use.
Lightweight design for convenient portability.
Easy-to-read scale for quick measurements.
Perfect for hobbyists and professional aquarists.
Country of origin: China.
Average Rating out of 5:
Price Range: $16.49
Material: Glass
29
Easy twist-off cap for effortless core replacement.
Indicates water needs with color-changing technology.
Includes two small refill cores for convenience.
Replace every 6-9 months for optimal performance.
Award-winning design enhances plant care efficiency.
Developed in collaboration with Tokyo University experts.
English packaging for easy understanding and use.
Average Rating out of 5:
Price Range: 0
