Salinity Refractometer for Seawater Aqaurium Fishkeeping Salinity Tester Meter Dual Scale-Specific Gravity Salinity Hydrometer 0-100PPT & 1.000-1.070

  • Dual Scale: this aquariums reqrium measures saltwater soultion and provides readings of 0-100PPT parts per thousand, Specific gravity 1.000 to....
  • Widely Use: Saline meter is ideal for aquarium marine fish-keeping, saltwater pool, agricultural, gardening and lab education purposes.
  • Accurate Refractometer: Saltwater tester can automatically compensate temperatue when the ambient temp changes, which allows the refractometer....
  • Simple to Use: salinity refractometer is easy to operate only 2-3 drops of sample solution after calibration, you can get the accurate reading through....
  • Durable & Portable: This saltwater meters are made of aluminum material, non-staining, anti-rusty and sturdy design, compact in size and lightweight,....
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Hioki FT3425 Lux Meter

  • BRIX/TDS digital display with dual scale, which can measure both the concentration of coffee (TDS) and the sugar degree of coffee (BRIX).
  • The resolution of the digital coffee concentration meter is 0.01%, the measurement is more accurate..
  • Brix can also measure the value of fruit sugar, milk tea, drinks, food, etc. With it, can make sure your food tastes better and your diet is healthy..
  • The induction tank is not easy to leakage, can be operated by one hand and with IP65 protection, can directly wash the induction tank with water..
  • Suitable for home use and coffee shop to test the coffee concentration and sugar level to ensure making a delicious coffee..
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INKBIRDPLUS Indoor CO2 Detector, Air Quality Monitor, Tester for Carbon Dioxide, Temperature and Relative Humidity, Indoor CO2 Monitor with Alarm, for Grow Tents, Wine Cellars, Homes, Cars(PTH-9C)

  • ️️【PREMIUM DETECTOR】 This multifunctional air quality monitor can accurately detect the current CO2 concentration, temperature, and humidity in the air. It can help you understand indoor air quality at a glance..
  • ⏰⏰【CO2 CONCENTRATION STAGE & SOUND ALARM】 This CO2 detector is designed with 3 stages of CO2 concentration—normal stage (400-700 ppm), warning stage (700-1500 ppm), and dangerous stage (1500-5000 ppm). It will alarm you when the detected CO2 concentration is beyond the safe value you customized..
  • ️️【CONVENIENT CALIBRATION】 To ensure the accuracy of measurement, this CO2 monitor supports the calibration function. Press three buttons at the same time in an open environment and let it stand for 200 seconds to calibrate this CO2 meter easily. This CO2 detector uses the NDIR CO2 sensor..
  • 【LONG BATTERY STANDBY】 A 2400 mAh lithium battery is embedded inside the indoorCO2 monitor, supporting a long time of continuous use, before it adopts a large and distinct LED screen for ease for temperature or data viewing. display based on your need..
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TDS Meter Digital Water Tester - PPM Quality Testing Tool 3-in-1 (TDS, EC & Temp) High Accuracy ATC Tester, Nutrient Testing Pen for Hydroponics, Monitor Ro System, Pools, Aquariums & Saltwater Tanks

  • HOLD AND AUTO-OFF FUNCTIONS: the 7Pros TDS meter has data-hold function, it locks your readings making it easy to record. The EC Meter will automatically shut down after 9 min of inactivity.
  • FACTORY CALIBRATED: our ppm meter is factory-calibrated at 342 ppm NaCl and designed to stay consistent.
  • ACCURATE: TDS readings are adjusted with automatic temperature compensation, assuring users of consistent and accurate measurements of total dissolved solids.
  • EASY TO USE: The tds meter digital water tester will get your testing results in seconds. Turn on, immerse the electrode in the testing liquid, press Hold button and read the numbers.
  • WIDE USE: Our conductivity meter is Ideal for all water quality testing, its a ppm meter for hydroponics, water purification applications, aquariums and saltwater tanks, wastewater regulation, aquaculture, laboratory and scientific testing, pools, ecology testing, colloidal silver, water treatment, etc..
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RCYAGO Dissolved Oxygen Meter with Electrode Filling Fluid

  • ... oxygen and temperature. The dissolved oxygen probe is a thin film with a polarographic sensor and a thermistor for temperature measurement and temperature compensation. The permeable membrane separates the measured solution from the sensing electrode but allows oxygen to pass through the membrane to react, and the concentration can be measured..
  • Dissolved oxygen refers to the concentration of molecular oxygen dissolved in water, generally expressed in mg/L (ppm) and saturation percentage (%), which is the percentage of dissolved oxygen in 1L of water. The oxygen concentration of our dissolved oxygen meter is 0.0-40.0mg/L, most of the range of dissolved oxygen meters on the market is 0.0-20mg/L. When measuring and calibrating, needn't open the protective cover of the electrode, just put the electrode in the solution for measurement..
  • Detachable probe, easy to replace, equipped with 6 probe protective covers and anaerobic water calibration powder. The film inside the protective cover cannot be taken apart. After using it for a period of time, the test value is inaccurate and the calibration is still inaccurate, and the membrane sleeve needs to be replaced..
  • Adopts the digital screen display with backlight, which is more clear and convenient to read data.....
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AMTAST Digital Coffee Densitometer Coffee Concentration Refractometer Sugar Drinks Density Coffee Brix TDS Meter AMR300

  • Function: Coffee concentration with range of 0-25%.
  • Provide with suction tube and spare protective cover. The function keys are clear and easy to operate. Digital screen with large number, battery power can be displayed..
  • Temperature unit converting: Press key “SCALE” more than 2 seconds, meter will display Celsius or Fahrenheit..
  • Calibration: No need calibration every time. Drip 3~5 drops distilled water in sample plate, make sure the water and meter temperature is same and standard temperature is 20ºC, then cover it. Press key “CAL” more than 2 seconds until “CAL” flashing, press “CAL” key again, meter will display “END” and show 0.0%..
  • Power off: Meter will power off within one minute if no any operation..
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INKBIRD WiFi Indoor Air Quality Monitor, CO2 Detector, Accurate NDIR Sensor, Temperature and Relative Humidity, Indoor CO2 Meter with Data Logger, for Cars, Wine Cellars, Grow Tents, Homes (INK-CO2W).

  • ✅✅【Accurate Reading】INKBIRD carbon dioxide monitor can accurately detect the current CO2 concentration, temperature, and humidity in the air. This CO2 detector uses the NDIR CO2 sensor..
  • 【APP Real-Time Monitoring】After the mobile phone is connected to the 2.4GHz WiFi network, connect our CO2 detector in the INKBIRD APP, and you can receive and view the detection data at any time. And the app can output data to your email, you can also set the alarm value reminder function through the app..
  • 【Convenient Calibration】 To ensure the accuracy of measurement, this WiFi CO2 monitor supports the calibration function. Press three buttons at the same time in an open environment and let it stand for 200 seconds to calibrate this CO2 meter easily..
  • ⏰⏰【CO2 Concentration Stage & Sound Alarm】This WiFi Indoor CO2 detector is designed with 3 stages of CO2 concentration - normal mode (400-700 ppm), warning mode (700-1500 ppm), and danger mode (1500-5000 ppm)..
  • 【Wide Application】This indoor CO2 meter is ideal for use in grow rooms, offices, kitchens, schools, kitchens, ....
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Handheld Carbon Meter, Portable Precision Detector LCD Digital Display Multipurpose Gas Monitor Tester, 0-1000ppm (Battery Not Included)

  • PROFESSIONAL TOOL: The gas detector is a device that detects the presence of CO gases in an area, often as part of a safety system..
  • EASY TO USE: CO meter detects and measures concentration levels of carbon monoxide gas..
  • HANDHELD SIZE: The CO gas meter is compact and lightweight, professional designed to fit comfortable in your hand, easy to carry and operate..
  • POWERFUL FUNCTION: With a wide measuring range 0-1000PPM, LCD digital display, high accuracy sensor..
  • APPLICATION: Carbon monoxide meter is widely used in petroleum, chemical, coal, metallurgy, paper, fire, municipal, telecommunications, food, textile and other industries..
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LaMotte 1749 Salt/TDS/Temperature TRACER PockeTester, 1.6' W x 7.4' L x 1.6' H

  • LED display panel, red light indicates salt concentration, green light indicates power..
  • Sensitive response, high measurement accuracy, compact and portable, easy to operate..
  • Salinity meter, can be specially used to determine the salt concentration in liquid or food..
  • Place the probe above the liquid surface for at least 2 seconds, then the result will appear..
  • Adopt ABS shell, copper testing top, corrosion resistance and long service life..
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Carbon Monoxide Meter Detector, Handheld CO Detector, Portable CO Gas Leak Detector, Gas Analyzer, High Precision Detector, CO Gas Monitor Tester 0~1000ppm for Home, Tunnels, Steel Works Wait

  • ...ments such as darkness, making it easy to read and freeing you from the constraints of time and place. Carbon monoxide meter is made of high tenacity ABS engineering plastic, which is wear-resistant and stable, with low power consumption and high accuracy..
  • ✅【MULTI-FUNCTIONAL】The carbon monoxide meter handheld concentration alarm value can be set freely. Carbon monoxide tester will also sound an alarm when the carbon monoxide gas concentration is at a low danger value, and will automatically shut off without any operation within 10 minutes. Portable carbon monoxide detector has a wide measurement range and can carbon monoxide detectors be switched to 2 temperature units (°C and °F) is very practical..
  • ✅【WIDELY APPLICABLE】The digital carbon monoxide detector ​is compact, light and convenient, easy to carry and operate, high measurement accuracy, and can be used to detect combustibles, natural gas, oxygen consumption, etc. Handheld carbon monoxide detector can be widely used in industry, firefighting, oil rigs, monitoring manufacturing and emerging technologies such as photovoltaics..
  • ✅【NFTER SALE GUARANTEE】We are a factory pursuing product quality and research and development, full of confidence in our CO detector, any quality probl....
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ORAPXI Salt Water Pool Tester Professional Salinity Meter for Sodium Chloride Swimming Pool and Spa Salt Tester Range 0-9000ppm

  • Check the Salt Concentration of Pool- Helpful in determining salt level in pool with salt chlorinator generator.
  • Most saltwater pool require salt level of 2400ppm~4500ppm(as sodium chloride)in pools. This tester with a range from 0~9000ppm, which meets measurement requirement for pool..
  • More Accurate Measurement Result- The salt detection tool with an LCD backlight display, can display the measurement results clearly and intuitively. Compared with salt test strip, it is more convenient to use and can be reused..
  • Application- Works only for salt water pools/swimming pools/spas. Will NOT work for marine/salt water fish tank/food salt level testing..
  • Backlight Display with Alerts- When the salt level is less than 2700ppm or higher than 3400ppm, the green backlight display will change to red to alert you. Because if the salt level is too low, salt generator will not produce the correct amount of chlorine.
  • if the salt level is too high, may cause damage to saltwater pools..
  • Easy to Use- Just dip electrode into the saltwater pool or take a cup of sample for measurement, and then obse....
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Silver Wings

  • ...icated and precise. It requires laboratory grade techniques and industrial level equipment to produce. Ultra Silver will not degrade or settle out over time. It is non reactive which makes it ideal for storage and use anywhere..
  • Lab Certified PPM - We independently test and guarantee our parts per million (PPM) concentration level. We openly share the results which you may find in the product pictures. A TDS meter WILL NOT measure PPM, only total dissolved solids..
  • Not Ionic - Ionic silver is not colloidal silver. Many products are marketed as colloidal silver, but are actually ionic silver. These will be clear, have a PPM of less than 30 and are produced simply by electrolysis (you may do this at home)..
  • True Color - As the concentration increases, a true colloidal silver transitions from a golden amber to a dark brown. This is the natural coloration of a concentrated, nano sized, true colloidal silver product..
  • Economical - Ultra Silver has concentration levels far beyond other brands. Our price structure gives us value not found anywhere else! Ultra Silver is typically 15 to 50 times more concentrated than competing products..
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Top Fin Barley Straw Bundles Pond Water Conditioner

  • Contains one (1) API TAP WATER CONDITIONER Aquarium Water Conditioner 16-Ounce Bottle.
  • Neutralizes chlorine, chloramines and other chemicals to make tap water safe for fish.
  • Prevents tap water chemicals from causing gill destruction, tissue irritation and fish death.
  • Super strength, high concentration formula.
  • Use when adding or changing water and when adding new fish to freshwater and saltwater aquariums.
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