9 Best
Aquarium Hydrometers
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Product Highlights- Automatic temperature calibration --- the calibration process should be carried out with both the room and the instrument at 68° f. the refractive index of a liquid changes with temperature. due to the automatic temperature calibration, any changes in ambient temperature from 50° f- 86° f will not affect the accuracy of the reading.
- Comes in a solid case includes pipette and calibration tool --- this refractometer is not only built extremely well, but it comes with a durable hard case for easy storage of the refractometer when not in use. it also includes a calibration tool and a pipette.
- Specifically designed refractometer for saltwater aquarium --- the algorithm is made specifically for testing seawater and saltwater. this is different from a standard refractometer which is not calibrated to check salinity of aquarium water and will give an error in your readings.
- Easy and clear reading for saltwater aquariums and reef tanks --- the refractometer comes with a focus adjustment on the eyepiece, this will give you clarity of the optics and a sharp line for easy reading.
- Keep your fish and plant life in optimal well-being --- pure saltwater is crucial for the vitality of your marine or reef aquarium. use this refractometer to measure the salinity of the water, the target level of salinity in a reef tank should be 35 ppt.
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Product Highlights
- 🐠【durable clear acrylic】accurate, durable, and easy to read your marine aquarium's salt level and specific gravity,small and waterproof.if the specific gravity between 1.000 - 1.019,show that the specific gravity is small;if the specific gravity between 1.020 - 1.023,show that the specific gravity is nomal;if the specific gravity between 1.024 - 1.030,show that the spec...
- 🐠【easy to read and use】the easy-to-read swing-arm pointer and extra wide stable base provide an accurate test result
- 🐠【safe material】made of plastic,aquarium clear automatic accurate readable saltwater hydrometer
- 🐠【wide usage】fit for brackish and marine aquariums.perfect for testing both salinity and specific gravity of your brackish and marine tank.includes solinity and specific grovity scales.suitable for fresh water and sea water
- 🐠【clearly safe zone indicated】includes solinity and specific grovity scales.the outside rang of scale indicates salinity(ppt).the inside range of scale indicates gravity.and with safe zone clearly indicated.range of use: 0-40 degrees (1.000-1.030).if the salinity ppt between 32 - 40，show that the salinity hydrometer is high;if the salinity ppt between 27 - 31，show that ...
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Product Highlights
- 🐠[cordless design] : aquarium thermometer adopts fit sensor to sense water temperature. cordless design eliminates messy lines and provides a clean and safe environment for fish with no noise and safe and reliable.
- 🐠[easy to use] : all you need to do is remove the adhesive on the back of the aquarium thermometer and attach the thermometer to the outside of the aquarium below the water level. thermostat thermometers have readings ranging from 0 to 60°c, accurate to 0.1°c. 5s refresh speed, faster detection of temperature changes.
- 🐠[led display] : aquarium thermometer using led display temperature, led display provides high-definition digital display, green, energy saving and easier to read data.
- 🐠[high precision induction] : touch the button to display temperature, using standard celsius display, 5 seconds after the aquarium thermometer into the dormant state. note: it will take some time for the first data reading to stabilize the accurate value, and the difference range is ±0.5°c.
- 🐠[easy to use] : all you need to do is remove the adhesive on the back of the aquarium thermometer and attach the thermometer to the outside of the aquarium below the water level. thermostat thermometers have readings ranging from 0 to 60°c, accurate to 0.1°c. 5s refresh speed, faster detection of temperature changes.
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Product Highlights
- 【easy to read】you can easily read the temperature in the water through the lcd display of the aquarium thermometer. the temperature unit can be switched between °c and °f with the button.
- 【wide application】thlevel aquarium thermometer is suitable for aquariums, fish tanks, reptile boxes, incubators, refrigerators, cigar houses, etc. it can protect reptiles, fish and small animals from dangerous temperatures.
- 【steps for usage】first press the pwr button of the aquarium thermometer; then put the sensor probe into the water; the attached suction cup can stick the lcd screen to the side of the aquarium.
- 【measuring range】the measuring range of fish tank thermometer is -50°c ~ +70°c / -58°f ~ 158°f, the accuracy is +/- 1 degree celsius. dimensions: 57×35mm. power supply: lr44 cell battery (included).
- 【package includes】you get 2 thlevel aquarium thermometers, each with 1 lr44, 1.5 v button battery and 2 suction cups. probe cable length: 1 meter. note: do not put thermometer in water, only the probe sensor is waterproof.
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Product Highlights
- 【high definition led display】the fish tank thermometer digital uses a high definition led display that offers a viewing angle of up to 120°, allowing temperatures to be read over a long visual range. with high colour saturation, making it easy to read values in both day and night, avoiding the problem of not being able to read values well in bright or dim light.
- 【touch button & wireless】touch button to display the temperature, the thermometer outside the fish tank will go to sleep after 5s, more energy saving and environmental protection; environmentally friendly stick-on sensor thermometer, cordless design, no messy probes and wires in the water, providing a clean and safe environment for the creatures in the water, built-in b...
- 【accurate measurement】the digital aquarium thermometer uses a high accuracy temperature sensor, which helps you quickly monitor the temperature of your aquarium. the measurement temperature range is 32°f-140°f, and the temperature accuracy is ±0.18°f. error of ±1℉. with a refresh rate of every 5s, temperature changes are detected faster.
- 【easy to use】the fish tank digital thermometer is simple and easy to operate. the back of the fish tank thermometer is made of transparent double sided tape, remove the tape and stick it on the fish tank, stick the thermometer below the water level on the outside of the fish tank. the first time you use the thermometer, it will stand still for 10 minutes before reading ...
- 【wide range of applications】suitable for different water types such as fresh water, tap water, salt water, sea water, etc. it can monitor the living temperature of fish tank, turtle tank, coral tank , planted tank, glass container and other pet tanks. provides the most comfortable water temperature for your favourite water creatures.
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Product Highlights
- High-quality test kit: each test strip is made of high-quality fiber paper and no color bleeding pad, keep your fish healthy and safe with test strips
- 150 strips for freshwater aquarium : in a newly set up aquarium, water testing is critical to avoid fish loss as nitrite rapidly rise. in an established aquarium, water testing is also important to ensure the continued health of your fish. easytest aquarium test strips with 150 counts is enough for you to keep your aquarium water chemicals balanced and safe.
- 6 in 1 aquarium water testing: it is necessary to test water quality in the aquarium regularly and frequently. nitrate, nitrite, total hardness, chlorine, carbonate and ph is the most important parameter to aquarium water upkeep. easytest 6 in 1 aquarium test strips help you test all the important parameters at a time.
- Suitable for most aquariums:widely suitable for saltwater/freshwater tropical (mixed tropical fish),goldfish ,breeder tank, pond, betta tank, shrimp tank and other water aquarium.monitor your aquarium’s water quality ,to keep your aquarium or pond healthy and look vigorous
- Warm tips for fish tank test: keep wet fingers away from the strips. read under natural daylight for best results.store in a cool dry place.the expiration is 2 years from manufacture. once opened, use up in 90 days.easy to use for aquarium starters.
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Product Highlights
- Accurate, durable, and easy to read your marine aquarium's salt level and specific gravity,small and waterproof.
- Fit for brackish and marine aquariums.perfect for testing both salinity and specific gravity of your brackish and marine tank.
- Safe material:made of high quality plastic,aquarium clear automatic accurate readable saltwater hydrometer.
- Clearly safe zone indicated:includes solinity and specific grovity scales.the outside rang of scale indicates salinity(ppt).the inside range of scale indicates gravity.
- Easy to read and use:the easy-to-read swing-arm pointer and extra wide stable base provide an accurate test result.
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