Best Aquarium Water Monitoring

DaToo 25W Mini Aquarium Heater Betta Small Fish Tank Heater Submersible 3 to 5 Gallon, 1 Yr Warranty

...built-in DTN7 intelligent chip, which can automatically maintain the temperature between 75°F and 82°F. This is the ideal temperature to keep betta healthy! And DTN7 chip can effectively prevent overheating by controlling the heater on and off, let your bettas enjoy the warm winter without any worries!!.
Real-time Monitoring Of Water Temperature: DaToo provides you with a digital electronic thermometer for free. Waterproof and wireless, you can put it completely in water. Electronic temperature display, just a quick glance, you can know the water temperature of your aquarium. Very convenient!.
Durable Materials And Safety Certifications: Excellent engineering-grade plastic shell and MCH heating ceramic, sturdy and durable, with explosion-proof, anti-cracking and hot-proof functions, greatly improving the high temperature resistance and safety of the heater. And DaToo 25W mini aquairum heater have been certified by FCC, CE and ROHS, which means the DaToo heater has great safety performance, giving your betta a safe and warm living environment!.
Perfect Size For Small Tank: DaToo heater is only 5.3 inches in length and hides perfectly in a small 3 to 5 gallon fish tank. While providing the warm water temperature for betta, it can also maintain the beaut....

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API GH & KH TEST KIT Freshwater Aquarium Water Test Kit

Contains one (1) API GH & KH TEST KIT Freshwater Aquarium Water Test Kit, including 2 bottles of testing solution and 2 glass test tubes with cap.
Helps monitor water quality and prevent invisible water problems that can be harmful to fish and plants and cause fish loss.
Accurately measures GH & KH in freshwater aquariums.
Water hardness is a measure of the dissolved mineral content of water and should match fish natural habitat to prevent fish stress and keep them healthy.
Use for weekly monitoring and when water or fish problems appear.
Front of package indicates “for FRESH WATER” because this is the most common use of this product, but instructions include ranges for marine and brackish aquarium water. So this product does not need a warning and it can be used if they wish to..

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Aquarium Thermometer, AikTryee Fish Tank Thermometer, Reptile Thermometer, Terrarium Temperature Meters Gauge, LCD Display () for Vehicle Reptile Terrarium Fish Tank Refrigerator

PRODUCT MATERIALAquarium Thermometer uses a high-precision stainless steel sensor probe to measure the water temperature of the aquarium. The main unit uses a professional LCD display to solve the problem of not knowing the temperature of the fish tank, thus providing a healthy and comfortable water environment for all kinds of fish..
LARGE SCREEN DISPLAYDigital Aquarium Thermometer with a Large Screen 1.6 inch LCD Display, Easy to Read Temperature for Children or Older People, Real-time monitoring of changes in water temperature..
WIDE TEMPERATURE TESTTemperature Range -58 ~ +230.
It can be used in temperature sensing of many types of liquids, making your temperature measurement so simple..
LONG BATTERY LIFEPowered by Two LR44 Button Cell (Included), Battery Working Time up to 8 Months. No more hesitation! Try it now!.

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Dbgogo Brewing Aquarium Thermometer Strip, 5 PCS 39℉ to 97℉ & 4℃ to 36℃ Clear Crystal Numbers Adhesive Brewing Aquarium Temperature Sticker for Sticking on Fish Tank/Wine/Beer/Kombucha Jars Bottles

...not keep peeling off like other brands' temperature sticker. Small profile and easy to use, remove white protective film and stick this sticker onto the the outside of jar,bottle and tank, then you can be able to see the temp at a glance with these basic thermometer strips, work great for constant general temp monitoring!.
Wide Application: These brewing aquarium thermometer strips is perfect for monitoring temps of your kombucha brewing, wine cooler fridge, beer fermenters, veggies jars, fish tank and other activities that temperature is crucial during the process, you can know the temps and adjust the temps appropriately, keep your activities in a target temperature range. If you are not fully satisfied with our product, please remember that we are always here for you..

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IS Icstation Digital Thermometer, Car Auto Temperature Gauge Sensor, DC 4-28V Fahrenheit Dual Display, Monitor with 2 NTC Waterproof Probes for Aquarium Vehicle Fish Tank

...perature. But the water temperature will be more accurate than that of air..
3 FEET WIRES - With 1 meter long wires, it is flexible to place the 2 sensor probes in aquarium tank, fish tank, reptile terrarium, refrigerator, brooders, vehicle or any other place that requires monitoring of temperature..

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Glass CO2 Drop Checker – CO2 Monitor Kit for Aquarium Tank – Functional and Reliable – Transparent Drop Checker, 4dkh/pH Reagent Solution and Suction Cup

Complete Kit: Our aquarium water C02 drop checker/monitor contains everything you need for efficient monitoring of CO2 levels in your tank. The fish tank C02 drop checker/monitor includes the highest quality glass drop checker, suction cup, and a 60ml bottle of 4dkh/pH reagent solution..
Easy To Use: The user-friendly CO2 detector is very convenient and gives you reliable reading in about 2 hours without syringes or other such items. Just fill the carbon dioxide monitor drop checker with the indicator solution and place it in the planted tank with the help of the suction cup..
Clear Readings: If the pH solution turns green/light green that means your aquarium tank has the optimal level of carbon dioxide. The yellow color of the aquarium kit liquid means the CO2 level in the water is very high while the blue color means there is insufficient level of CO2..
Essential Item: You need to be very careful about the health of your plants and carbon dioxide is one of their major requirements. This CO2 monitor kit is one of the most vital items of your aquarium kit that helps you to keep a constant check on CO2 levels in the water..

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KNACRO 2CH NTC Waterproof Probes -58℉ to 257℉ Blue + Red LED Digital high Temperature Precision Thermometer Industrial Thermometer Fahrenheit Dual Display DC 5-80V 12V 24V 36V 48V 60V 72V CAR

NTC WATERPROOF PROBES - This aquarium thermometer uses high-precision NTC waterproof metal sensor probes to measure the water temperature of the aquarium..
DUAL SENSOR PROBES - Comes with 2 probes, enabling the thermometer to test the temperatures of two different places. For example, measuring the temp of indoor&outdoor or two different tanks at the same time..
RED&BLUE DISPLAY - KNACRO temp sensor uses a HD LCD display to let you know the Fahrenheit temperature of the fish tank in real time, thus providing a healthy and comfortable water environment for your lovely fishes. The clear red and blue display makes it easy to read temperatures no matter in bright and dark..
WIDE TEMP RANGE - Temperature Range -58 ℉ ~ +257℉(Fahrenheit).
Temperature measurement accuracy: ±1℉ (±0.1℉ when temperature within -9.9~99.9F). It can be not only used in water but also used to measure the air temperature. But the water temperature will be more accurate than that of air..
3 FEET WIRES - With 1 meter long wires, it is flexible to place the 2 sensor probes in aquarium tank, fish tank, reptile terrarium, refrigerator, brooders, vehicle or any other place that requires monitoring of temperature..

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Petbank 50W Aquarium Heater, with Temperature Remote Control and LED Temperature Display, Submersible Aquarium Heater with Thermometer Strip & Use Time Display Suitable for 5-10 Gallon Fish Tank

...quarium heater automatically cuts off power when leaving the water. It uses an explosion-proof quartz tube and is equipped with a plastic anti-collision sheath to prevent your aquatic organisms from being injured by touching the heating rod..
【Show Usage Time】Real-time monitoring of the life of the heating rod, which is convenient for you to replace the heating rod in time to ensure the continuous water temperature. The heating rod can be used continuously for up to 10,000 hours..
【Note】It is forbidden to expose the main part of the aquarium heater to the surface of the water during use, and 100% diving use must be guaranteed, otherwise the LED display will display an "Er" abnormal code.. Please unplug the power when cleaning the fish tank or changing the water in the aquarium..

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API SALTWATER MASTER TEST KIT 550-Test Saltwater Aquarium Water Test Kit

Contains one (1) API SALTWATER MASTER TEST KIT 550-Test Saltwater Aquarium Water Test Kit, including 6 bottles of testing solution, 1 color card and 4 glass test tubes with cap.
Helps prevent invisible water problems that can be harmful to fish and cause fish loss.
Accurately monitors 4 most vital water parameters levels in saltwater aquariums: high range pH, ammonia, nitrite and nitrate.
Use for weekly monitoring and when water or fish problems appear.

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