Temperature Control

Items 1 to 48 of 103 total

Each species of fish has specific needs when it comes to temperature. For fish keepers, getting the right aquarium temperature is a breeze when you use one of these reliable temperature control products from Big Al’s Pets. Each one is designed to take the guesswork out of temperature regulation in your aquarium. You’ll be able to quickly and easily create settings for how warm or cool your fishes’ water needs to be. We carry the latest precision devices to provide you with more control over your aquarium water temperature while also helping to maintain optimal living conditions for your fish.

Our selection of aquarium temperature control products includes a number of devices that any fish keeper may need for their aquarium. Our thermometers provide you with accurate readings, while our heaters and chillers make sure that your water temperature is maintained with accuracy and stability. We also carry helpful accessories for setting up your aquarium temperature control devices, including magnetic suction cups and brackets. At Big Al’s Pets, you can get everything you need for your aquarium with a convenient, one-stop shopping experience.
  • Fluval Fluval E Advanced Electronic Heaters
    The most technologically advanced heaters available, the Fluval E series advanced electronic aquarium heater with VueTech technology delivers piece of mind by continuously displaying real-time water temperature.With an advanced digital microprocessor.

    Price From: USD 52.99

    Price From: USD 52.99

    Out of stock

  • Aqueon Aquatic Flat Heaters
    • Ideal for small desktop aquariums up to 3 gallons
    • Energy-efficient heater consumes a mere 7.5 watts!
    • Easy to install with submersible design and suction cups
    • Secures to the sides or bottom of your aquarium

    Price From: USD 6.99

    Price From: USD 6.99

  • Aqueon Aquatic Flat Heater - 7.5 W
    • Ideal for small desktop aquariums up to 3 gallons
    • Energy-efficient heater consumes a mere 7.5 watts!
    • Easy to install with submersible design and suction cups
    • Secures to the sides or bottom of your aquarium

    Regular Price: USD 9.99

    Sale Price USD 6.99

    Regular Price: USD 9.99

    Sale Price USD 6.99

  • Aqueon Aquatic Flat Heater - 15 W
    • Ideal for small desktop aquariums up to 10 gallons
    • Energy-efficient heater consumes a mere 15 watts!
    • Easy to install with submersible design and suction cups
    • Secures to the sides or bottom of your aquarium

    Regular Price: USD 13.99

    Sale Price USD 9.99

    Regular Price: USD 13.99

    Sale Price USD 9.99

  • Zoo Med Digital Aquarium Thermometer
    • Simple to read with luxury LCD Display
    • Completely submersible & waterproof
    • Ideal for fresh & salt water aquariums

    Regular Price: USD 6.99

    Sale Price USD 4.99

    Regular Price: USD 6.99

    Sale Price USD 4.99

  • Cobalt Aquatics Neo-Therm Dual Heater - 300 W
    • Modern, super flat design
    • Easy to set "one touch" system
    • Accurate electronic thermostat (±0.5 degrees F)
    • LEDs display set and actual temperature
    • Shatterproof outer casing protects electrical components
    USD 119.23
    USD 119.23
  • Eheim Jager TruTemp Submersible Heater - 75 W
    • Features a shatterproof glass construction
    • TruTemp dial adjusts from 18° to 34° C (65° to 93° F)
    • Thermo safety control enables "running dry" protection
    • On/off indicator light verifies heater functions
    • Includes mounting bracket and suction cups

    Regular Price: USD 24.99

    Sale Price USD 19.99

    Regular Price: USD 24.99

    Sale Price USD 19.99

  • Eheim Jager TruTemp Submersible Heater - 125 W
    • Features a shatterproof glass construction
    • TruTemp dial adjusts from 18° to 34° C (65° to 93° F)
    • Thermo safety control enables "running dry" protection
    • On/off indicator light verifies heater functions
    • Includes mounting bracket and suction cups

    Regular Price: USD 28.99

    Sale Price USD 21.99

    Regular Price: USD 28.99

    Sale Price USD 21.99

  • Aqueon Preset Heaters
    • Pre-calibrated to an accurate 78&‌deg; F, accurate to 1&‌deg; degrees fahrenheit and require no manual adjustment. Appropriate for most tropical fish, these fully submersible heaters are made using shatter-resistant quartz glass for added durability. A red LED lightr indicates that the heater is active, and an automatic shut-off feature works to prevent overheating. Aqueon Preset Heaters are available in 50-Watt, 100-Watt, 150-Watt and 200-Watt models, and come backed by a 1 Year Manufacture
    • Appropriate for most tropical fish and fully submersible
    • Made using shatter-resistant quartz glass for added durability
    • Automatic shut-off feature prevents overheating
    • Backed by a 1 Year Manufacturer's Warranty

    Price From: USD 8.49

    Price From: USD 8.49

  • Penn Plax Therma-Temp Thermometers
    Clear, accurate live temperature readings of your aquarium water's temperature, allowing the aquarium hobbyist to fine tune their heating system to provide the appropriate water temperature for their fish.

    Price From: USD 1.79

    Price From: USD 1.79

  • Cobalt Aquatics Neo-Therm Heaters
    • Modern, super flat design
    • Easy to set "one touch" system
    • Accurate electronic thermostat (±0.5 degrees F)
    • LEDs display set and actual temperature
    • Shatterproof outer casing protects electrical components

    Price From: USD 57.99

    Price From: USD 57.99

  • Cobalt Aquatics Accu-Therm Heaters
    • Advanced, fully submersible heater
    • Equally capable in freshwater and saltwater environments
    • Computer-tested accurate to ± 2 ° Fahrenheit
    • Features an easily calibrated thermostat and Triac circuit
    • Ceramic radiator delivers even heat distribution

    Price From: USD 25.96

    Price From: USD 25.96

  • Cobalt Aquatics Mini-Therm Heaters
    • Compact, fully submersible heater for small aquariums
    • Equally capable in freshwater and saltwater environments
    • Constant operation eliminates the need for adjustments
    • Ceramic radiator delivers even heat distribution
    • Shatterproof polymer casing protects aquarium and heater

    Price From: USD 13.94

    Price From: USD 13.94

  • Aqueon Pro Submersible Heaters
    Aqueon Pro Heaters are accurate, reliable, durable, and easy to use. They are constructed using a shatterproof and nearly indestructible outer shell, and feature a durable aluminum core for strength and even heat distribution. Fully submersible.

    Price From: USD 28.43

    Price From: USD 28.43

    Out of stock

  • Aqueon Preset Heater - 50 W
    • Fully submersible pre-calibrated aquarium heater
    • Appropriate for most tropical fish and fully submersible
    • Made using shatter-resistant quartz glass for added durability
    • Automatic shut-off feature prevents overheating
    • Backed by a 1 Year Manufacturer's Warranty

    Regular Price: USD 13.99

    Sale Price USD 8.49

    Regular Price: USD 13.99

    Sale Price USD 8.49

  • Aqueon Preset Heater - 100 W
    • Fully submersible pre-calibrated aquarium heater
    • Appropriate for most tropical fish and fully submersible
    • Made using shatter-resistant quartz glass for added durability
    • Automatic shut-off feature prevents overheating
    • Backed by a 1 Year Manufacturer's Warranty

    Regular Price: USD 16.99

    Sale Price USD 11.49

    Regular Price: USD 16.99

    Sale Price USD 11.49

  • EcoPlus Chiller Fitting Kit - 1/10 HP
    Chiller Fitting Kits for EcoPlus Chillers.

    Regular Price: USD 9.99

    Sale Price USD 6.99

    Regular Price: USD 9.99

    Sale Price USD 6.99

    Out of stock

  • Seapora Mini Desktop Heater - 30 W
    Description Coming Soon!

    Regular Price: USD 12.99

    Sale Price USD 8.99

    Regular Price: USD 12.99

    Sale Price USD 8.99

  • Seapora Digital Thermometer with Probe
    Description Coming Soon!

    Regular Price: USD 9.99

    Sale Price USD 5.99

    Regular Price: USD 9.99

    Sale Price USD 5.99

  • Aqueon Submersible Glass Aquarium Heater - 150 W
    Description Coming Soon!

    Regular Price: USD 32.99

    Sale Price USD 26.99

    Regular Price: USD 32.99

    Sale Price USD 26.99

  • Ista Twin Display Digital Thermometer
    Description Coming Soon!

    Regular Price: USD 13.99

    Sale Price USD 7.99

    Regular Price: USD 13.99

    Sale Price USD 7.99

    Out of stock

  • Ista LCD Digital Thermometer
    Description Coming Soon!

    Regular Price: USD 6.99

    Sale Price USD 4.99

    Regular Price: USD 6.99

    Sale Price USD 4.99

    Out of stock

  • Aqueon Submersible Glass Aquarium Heater - 50 W
    Description Coming Soon!

    Regular Price: USD 29.99

    Sale Price USD 23.99

    Regular Price: USD 29.99

    Sale Price USD 23.99

  • Aqueon Submersible Glass Aquarium Heater - 300 W
    Description Coming Soon!

    Regular Price: USD 36.99

    Sale Price USD 26.99

    Regular Price: USD 36.99

    Sale Price USD 26.99

  • Aqueon Submersible Glass Aquarium Heater - 200 W
    Description Coming Soon!

    Regular Price: USD 34.99

    Sale Price USD 26.99

    Regular Price: USD 34.99

    Sale Price USD 26.99

  • Aqueon Submersible Glass Aquarium Heater - 100 W
    Description Coming Soon!

    Regular Price: USD 31.99

    Sale Price USD 25.99

    Regular Price: USD 31.99

    Sale Price USD 25.99

  • EcoPlus Aqua Heat Titanium Reservoir and Aquarium Heaters
    Description Coming Soon!

    Price From: USD 27.99

    Price From: USD 27.99

  • EcoPlus Chiller Fitting Kits
    Description Coming Soon!

    Price From: USD 6.99

    Price From: USD 6.99

    Out of stock

  • EcoPlus Commercial Grade Water Chillers
    The EcoPlus Commercial Grade Water Chiller is a commercial-grade, heavy duty water chiller suitable for freshwater aquariums, saltwater aquariums, and hydroponic systems, crafted for durability, power, and reliability.

    Price From: USD 899.99

    Price From: USD 899.99

  • EcoPlus Water Chiller - 1/4 HP
    • Suitable for fresh or saltwater aquariums and much more
    • Equipped with a high performance titanium heat exchanger
    • Durable and efficient compressor for added dependability
    • Includes a micro computer with built in digital LCD display
    • Energy efficient design keeps your power bill in control

    Regular Price: USD 519.99

    Sale Price USD 429.99

    Regular Price: USD 519.99

    Sale Price USD 429.99

  • EcoPlus Water Chiller - 1/2 HP
    • Suitable for fresh or saltwater aquariums and much more
    • Equipped with a high performance titanium heat exchanger
    • Durable and efficient compressor for added dependability
    • Includes a micro computer with built in digital LCD display
    • Energy efficient design keeps your power bill in control

    Regular Price: USD 719.99

    Sale Price USD 649.99

    Regular Price: USD 719.99

    Sale Price USD 649.99

  • EcoPlus Water Chiller - 1/10 HP
    • Suitable for fresh or saltwater aquariums and much more
    • Equipped with a high performance titanium heat exchanger
    • Durable and efficient compressor for added dependability
    • Includes a micro computer with built in digital LCD display
    • Energy efficient design keeps your power bill in control

    Regular Price: USD 429.99

    Sale Price USD 359.99

    Regular Price: USD 429.99

    Sale Price USD 359.99

  • EcoPlus Commercial Grade Water Chiller - 1/2 HP
    • Suitable for fresh or saltwater aquariums and much more
    • Equipped with a commercial grade titanium heat exchanger
    • Imported compressor is extremely efficient and dependable
    • Includes an LCD display and 30 ft remote control for ease of use
    • Packaged with two fittings to make plumbing the chiller easy

    Regular Price: USD 1,099.99

    Sale Price USD 899.99

    Regular Price: USD 1,099.99

    Sale Price USD 899.99

  • EcoPlus Commercial Grade Water Chiller - 1 HP
    • Suitable for fresh or saltwater aquariums and much more
    • Equipped with a commercial grade titanium heat exchanger
    • Imported compressor is extremely efficient and dependable
    • Includes an LCD display and 30 ft remote control for ease of use
    • Packaged with two fittings to make plumbing the chiller easy

    Regular Price: USD 1,199.99

    Sale Price USD 949.99

    Regular Price: USD 1,199.99

    Sale Price USD 949.99

  • EcoPlus Commercial Grade Water Chiller - 1 1/2 HP
    • Suitable for fresh or saltwater aquariums and much more
    • Equipped with a commercial grade titanium heat exchanger
    • Imported compressor is extremely efficient and dependable
    • Includes an LCD display and 30 ft remote control for ease of use
    • Packaged with two fittings to make plumbing the chiller easy

    Regular Price: USD 1,499.99

    Sale Price USD 1,199.99

    Regular Price: USD 1,499.99

    Sale Price USD 1,199.99

  • Aqueon Preset Heater - 200 W
    • Pre-calibrated to an accurate 78 degrees F
    • Appropriate for most tropical fish and fully submersible
    • Made using shatter-resistant quartz glass for added durability
    • Automatic shut-off feature prevents overheating
    • Backed by a 1 Year Manufacturer's Warranty

    Regular Price: USD 22.99

    Sale Price USD 15.49

    Regular Price: USD 22.99

    Sale Price USD 15.49

  • Aqueon Preset Heater - 150 W
    • Pre-calibrated to an accurate 78 degrees F
    • Appropriate for most tropical fish and fully submersible
    • Made using shatter-resistant quartz glass for added durability
    • Automatic shut-off feature prevents overheating
    • Backed by a 1 Year Manufacturer's Warranty

    Regular Price: USD 19.99

    Sale Price USD 15.99

    Regular Price: USD 19.99

    Sale Price USD 15.99

  • EcoPlus Commercial Grade Chiller Fitting Kit
    Chiller Fitting Kits for EcoPlus Chillers.

    Regular Price: USD 16.99

    Sale Price USD 11.99

    Regular Price: USD 16.99

    Sale Price USD 11.99

    Out of stock

  • EcoPlus Chiller Fitting Kit - 1/4 HP
    Chiller Fitting Kits for EcoPlus Chillers.

    Regular Price: USD 13.99

    Sale Price USD 7.99

    Regular Price: USD 13.99

    Sale Price USD 7.99

    Out of stock

  • EcoPlus Aqua Heat Titanium Reservoir & Aquarium Heater - 300 W
    • Durable and reliable aquarium heating unit
    • Simple yet robust external temperature controls
    • Temperature range of 68°F (20°C) to 93°F (34°C)
    • Fully submersible design with double heating tube
    • Ideal for both freshwater and saltwater setups

    Regular Price: USD 39.99

    Sale Price USD 29.99

    Regular Price: USD 39.99

    Sale Price USD 29.99

  • EcoPlus Aqua Heat Titanium Reservoir & Aquarium Heater - 200 W
    • Durable and reliable aquarium heating unit
    • Simple yet robust external temperature controls
    • Temperature range of 68°F (20°C) to 93°F (34°C)
    • Fully submersible design with double heating tube
    • Ideal for both freshwater and saltwater setups

    Regular Price: USD 38.99

    Sale Price USD 27.99

    Regular Price: USD 38.99

    Sale Price USD 27.99

  • EcoPlus Water Chillers
    The EcoPlus Water Chiller is a high performance water chiller suitable for usage in freshwater aquariums, saltwater aquariums, reservoirs, and hydroponic systems, designed for strength and durability.

    Price From: USD 359.99

    Price From: USD 359.99

  • Aqueon Aquatic Flat Heater - 5 W
    • Ideal for small desktop aquariums up to 2 gallons
    • Energy-efficient heater consumes a mere 7.5 watts!
    • Easy to install with submersible design and suction cups
    • Secures to the sides or bottom of your aquarium

    Regular Price: USD 9.99

    Sale Price USD 5.99

    Regular Price: USD 9.99

    Sale Price USD 5.99

  • Aqueon Pro Submersible Heater - 150 W
    Aqueon Pro Heaters are accurate, reliable, durable, and easy to use. They are constructed using a shatterproof and nearly indestructible outer shell, and feature a durable aluminum core for strength and even heat distribution. Fully submersible.

    Regular Price: USD 44.99

    Sale Price USD 34.99

    Regular Price: USD 44.99

    Sale Price USD 34.99

    Out of stock

  • Hydor ETH 300 In-Line Heater - 5/8" - 300 W
    The self-limiting PTC heating element guarantees maximum safety against any risk of overheating. The exclusive technology and the high quality of the components guarantee a long lasting product.

    Regular Price: USD 89.99

    Sale Price USD 69.99

    Regular Price: USD 89.99

    Sale Price USD 69.99

  • Hydor Theo Submersible Heater - 25 W
    THEO aquarium heater has all the necessary features for safe and precise temperature maintance of the water in your tank. The exclusive technology and the high quality of the components guarantee a long lasting product.

    Regular Price: USD 27.99

    Sale Price USD 21.99

    Regular Price: USD 27.99

    Sale Price USD 21.99

  • Hydor Theo Submersible Heater - 50 W
    THEO aquarium heater has all the necessary features for safe and precise temperature maintance of the water in your tank. The exclusive technology and the high quality of the components guarantee a long lasting product.

    Regular Price: USD 29.99

    Sale Price USD 23.99

    Regular Price: USD 29.99

    Sale Price USD 23.99

  • Hydor Theo Submersible Heater - 100 W
    THEO aquarium heater has all the necessary features for safe and precise temperature maintance of the water in your tank. The exclusive technology and the high quality of the components guarantee a long lasting product.

    Regular Price: USD 29.99

    Sale Price USD 21.99

    Regular Price: USD 29.99

    Sale Price USD 21.99

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