• Odyssea Aquarium Heater Submersible (500W)

    A submersible heater is an intricate part of every aquarium setup. Temperature fluctuations may cause stress from your fish and coral. A minimum of 3-5 watts per gallon is recommended in keeping your aquarium at optimal temperature level. The use of multiple heaters in larger aquariums can allow even heat distribution.

    • ASIN: B016965R6U
    • UPC: 019962567728
    • ASIN: B016965R6U
    • Brand: Odyssea
    • Size: 500W
    • Manufacturer: Odyssea

  • Penn Plax Aquarium Heater Fully Submersible Within 1 Degree of Accuracy 150 Watt Heats Up to 30 Gallon Tank

    The Penn-Plax Cascade Heat Aquarium Heater accurately maintains the desired temperature in your tank within 1 degree of accuracy. This heater can be manually set to any temperature however, comes preset to 76 degrees making them ready to use for most aquatic environments. Just plug it in and this aquarium heater will safely and efficiently bring the temperature of the water to your set level. Fully submersible, this heater can be placed horizontally or vertically in your fish tank and will automatically maintain the desired temperature level. Made with superior insulation, this aquarium heater... [Read More]

    • ASIN: B007WV44T8
    • UPC: 707005120985
    • ASIN: B007WV44T8
    • Brand: Penn Plax
    • Size: 150W - Up to 30 Gal
    • Manufacturer: Monster Pets

  • Hydor ETH 200 In-Line External Aquarium Heater, 200w, 1/2" hose

    ETH Heaters are the first external heaters for aquariums with the exclusive PTC technology. The self-limiting PTC heating element guarantees maximum safety against any risk of overheating. Designed to be used on return lines coming from canister filters or sumps.

    • ASIN: B0002JEMM6
    • UPC: 841421000176
    • ASIN: B0002JEMM6
    • Brand: Hydor
    • Size: 200 Watt 1/2"
    • Manufacturer: Hydor USA, Inc.

  • Hydor 400W Submersible Glass Aquarium Heater - Original Theo

    Theo Heater. New aquarium heater functioning with the exclusive PTC technology means that this heater will not break or damage when run out of the tank. Theo aquarium heater has all the necessary feature for safe and precise temperature maintenance of the water in your tank. The exclusive technology and the high quality of components guarantee a long lasting product.

    • ASIN: B0006JLPFO
    • UPC: 841421003207
    • ASIN: B0006JLPFO
    • Brand: Hydor
    • Size: 400 watt
    • Manufacturer: Hydor USA, Inc.

  • PGFUNNY 25W Aquarium Heater, Fish Tank Heater for Betta Smart Thermostat, Slim Design Fit 3 to 5 Gallon Tank, with Thermometer Strips

    Functionality : Material: ABS anti-scalding housing(-40℃~100℃), sandy quartz filler, MCH Alumina ceramic heating system Waterproof: IP68: 120CM indefinite waterproof Rated power: 25W Rated operating voltage: 110V - 120V Automatic constant temp: 23℃ - 25 ℃ (±1℃) Security protection systems: anti-scalding surface treatment, anti-explosion, anti-cracking Applicable volume of fish tank water: under 5 gallons or 20 liters

    • ASIN: B07S22DCDV
    • UPC: 751677212233
    • ASIN: B07S22DCDV
    • Brand: PGFUNNY
    • Manufacturer: ZENGH

  • Mylivell Quietest Aquarium Air Pump Ultra Silent High Energy Saving Oxygen Air Pump Aquarium for Fish Tank with Air Stone and Silicone Tube Black

    Super Quiet and Small Our aquarium air pump has no motor, is the quietest and smallest in the world. It is pretty quiet with little "spurts". Our air pump for aquarium is so quiet that you have to hold your ear up close to it to hear anything at all. It pumps a good amount of air into the tank, and your fish will very happy with it. Fashionable and Practicable Design Air pump aquarium with a nice shape and unique style, is a good decoration for you fish tank. The suction cup attachment keeps it on the back side of the fish tank, space saving. The air column out of the provided air stone is ... [Read More]

    • ASIN: B01MTSR8Y8
    • UPC: 611553134656
    • ASIN: B01MTSR8Y8
    • Brand: Mylivell
    • Manufacturer: Mylivell

  • Eheim AEH3617090 200-watt Jager Heater for Aquarium, 16-Inch

    With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium.Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is true that the principle is still the same as decades ago. But a lot has changed in the meantime. And today the EHEIM adjustable heater is an ultra-modern electronic thermal device with the best available technology. A jacket made from special laboratory glass increases the heating surface, serves as a heat shield and ensures optimum even heat emiss... [Read More]

    • ASIN: B00BTN9R2E
    • UPC: 720686361393
    • ASIN: B00BTN9R2E
    • Brand: Eheim
    • Size: 200W
    • Manufacturer: TopDawg Pet Supply

  • Cobalt Aquatics Flat Neo-Therm Heater with Adjustable Thermostat (Fully-Submersible, Shatterproof Design) From 25W To 300W

    Cobalt Aquatics Neo-Therm Heaters are electronically controlled and fully submersible. Easy to set "one touch" system. Set temperature range up to 96F. Thermal protection circuitry. 3 yrs. warranty. Made in Europe. For up to 55 gallon Aquariums.

    • ASIN: B0098AUF6M
    • UPC: 847852002130
    • ASIN: B0098AUF6M
    • Brand: Cobalt Aquatics
    • Size: 200W (up to 55 gallon)
    • Manufacturer: Cobalt International Inc.

  • ViaAqua 200-Watt Quartz Glass Submersible Heater with Built-In Thermostat


    • ASIN: B00513MZ40
    • UPC: 634252029405
    • ASIN: B00513MZ40
    • Brand: ViaAqua
    • Manufacturer: Commodity Axis

  • Uniclife HT-2300 Submersible Aquarium Heater 300W with Thermometer and Suction Cup, 80 Gallon

    Uniclife HT-2300 300 W Aquarium heater - Best for 35-80 gallon Aquarium Unilcife heater is made of high quality EXPLOSION PROOF Quartz Glass and provides required heating for your aquarium. Featuring top view temperature control. Easy to adjust with temperature control from 61°F to 90°F (16°C - 32°C). This double insulated heater is safe and fully submersible, and can easily be installed by attaching the suckers to the glass. The heater must be fully submerged and should be placed diagonally vertically in the aquarium, rather than horizontally. A stick-on type thermometer enables you to ... [Read More]

    • ASIN: B073GYBXTB
    • UPC: 712383632227
    • ASIN: B073GYBXTB
    • Brand: Uniclife
    • Size: 300 Watt
    • Manufacturer: Uniclife

  • Marina C10 Compact Heater, 10-Watt

    This heater was designed to reach and maintain the set temperature of 26ºC (78ºF), provided that the maximum difference between the ambient and set temperature is less than 5ºC (9ºF). Variables such as lower room temperature, wide temperature fluctuations, lack of an aquarium cover, presence of pumps and filters or aquarium placement in proximity to cooling sources may require a higher wattage for proper control for the given tank size. If the set temperature is not reached in all conditions, it will probably be necessary to increase the heating power. We recommend monitoring aquarium temp... [Read More]

    • ASIN: B003TLWWOO
    • UPC: 015561111867
    • ASIN: B003TLWWOO
    • Brand: Marina
    • Size: 10-Watt
    • Manufacturer: Marina

  • Fluker's 27002 Repta-Clamp Lamp with Switch for Reptiles, 5.5-Inch

    This 5.5" diameter dome lamp is made of heavy gauge painted aluminum. Ceramic socket can be used with incandescent bulbs, ceramic heat emitters, and compact fluorescent bulbs. Rated up to 75watts.

    • ASIN: B0002DHOE0
    • UPC: 091197270024
    • ASIN: B0002DHOE0
    • Brand: Fluker's
    • Size: 5.5-Inches
    • Manufacturer: Fluker Labs

  • AA Aquarium Green Killing Machine 3 Watt | Internal UV Sterilizer System with Power Head | Kills Algae, Bacteria, and Waterborne Pathogens | Easy, Submersible Installation

    Keep your fish healthier and tank clearer with an advanced UV system for your aquarium - the Green Killing Machine. UV biologically cleans the water in your tank! When you need to control the bacteria in your fish tank and want to safely eliminate algae, improve clarity, and keep fish healthy, you need the AA Aquarium Green Killing Machine; an advanced UV system that’s better for your tank and your fish. Complete with a power head, this in-tank UV system helps remove impurities by using proven UV light technology and preventing growth of unwanted microorganisms. And because installation is q... [Read More]

    • ASIN: B0051C62IQ
    • UPC: 781163653608
    • ASIN: B0051C62IQ
    • Brand: AA Aquarium
    • Manufacturer: Pro-Motion Distributing - Direct

  • Aqueon Aquarium Fish Tank Kit, 20 gallon

    Aqueon LED boxed fish tank kits offer a complete habitat with vibrant LED lighting to bring the aquarium to life. The energy saving low-profile hood features cool white LEDs for total illumination, a convenient feeding door in the front and breakout sections in the back for popular accessories. Complete with high-quality components needed for a healthy aquatic environment including a heater, QuietFlow LED PRO power filter, fish food, water conditioner, fish net and a stick-on thermometer. A complete guide is also included to walk you through the process of proper aquarium setup. The Aqueon Qui... [Read More]

    • ASIN: B06ZXWGT7D
    • UPC: 015905000499
    • ASIN: B06ZXWGT7D
    • Brand: Aqueon
    • Size: 20 gallon
    • Manufacturer: Central Aquatics

  • hygger Betta Log Resin Hollow Tree Trunk Ornament, Betta Fish Accessories, Aquarium Decorations Wood House Small and Medium Fish Tank Decor, with Holes for Small Fish Pets to Swim Through (Tree Trunk)

    Tree Trunk Decor Hygger 5 holes hollow tree trunk resin aquarium ornament is hand painted, very detailed and realistic, a wonderful addition to your aquariums, to create a nature landscape underwater and also help make more funs for your small fish, can reduce their stress and boredom in the tank. Only for small and baby fish, large fish may get stuck in the trunk.Perfect fish accessories for small aquarium pets less than 5 inches such as betta, hermit crab, crayfish, sucker fish, axolotl, guppies, blue rams, chained loach, clow fish, elfishes, hifin ram, zebra danio, black neon tetra, ect.. S... [Read More]

    • ASIN: B07FNMXBHF
    • UPC: 688209998115
    • ASIN: B07FNMXBHF
    • Brand: Hygger
    • Size: Tree Trunk
    • Manufacturer: hygger

  • Tetra Submersible Aquarium Tank Heater, 2-15 Gallon, 50-Watt

    Tetra Heater 5-15

    • UPC: 10291808
    • Model: WHT5-15
    • Color: Black
    • Size: 1FOR 2 - 15 GALLON TANKS
    • Rating: 3.643

  • Tetra Submersible Aquarium Tank Heater, 10-30 Gallon, 100-Watt

    Keep your aquatic pets warm with the Tetra Submersible Heater 10-30. It provides the warmth fish need to survive in a compact and safe delivery method. With an automatic shut-off, it will keep the water

    • UPC: 10291809
    • Model: WHT10-30
    • Color: Black
    • Size: 0001.000
    • Rating: 3.558

  • Penn Plax Fully Submersible Aquarium Heater, 300-Watt

    The Cascade Heat line of aquarium heaters from Penn-Plax brings trouble-free and reliable operation to your aquarium at a bargain price. Each heater features heavy duty coils encased in thick glass tubing and heats aquariums

    • UPC: 20419857
    • Model: CH12300
    • Color: N/AOther
    • Rating: 4.083

  • Tetra Submersible Aquarium Tank Heater, 30-60 Gallon, 200-Watt

    Keep tropical fish comfortable with the Tetra Submersible Heater. Tropical fish require consistent water temperatures for optimal health. This compact heater ensures optimal, consistent water temperatures. The unit is completely submersible, for easy placement into

    • UPC: 36135555
    • Model: 26464
    • Rating: 2.395

  • Aqueon Mini Heater for Aquariums Under 2.5 Gallons

    Aqueon Flat Heaters provide warmth for small tropical fish. Designed for small glass or acrylic desktop fish tanks. Heater size is 5 Watts. Efficiently warms water, fully submersible, quick and easy installation. Includes suction cups

    • UPC: 916961950
    • Model: 100533032
    • Color: Multicolor
    • Rating: 4.2

  • Marina Betta Submersible Heater

    Marina Betta Submersible Heater

    • UPC: 54997500
    • Model: 11182
    • Color: Black
    • Rating: 4.529

  • Penn Plax Cascade Aquarium Heater, 10-Inch, 150-Watt

    The Cascade Heat line of aquarium heaters from Penn-Plax brings trouble-free and reliable operation to your aquarium at a bargain price. Each heater features heavy duty coils encased in thick glass tubing and heats aquariums

    • UPC: 20419855
    • Model: CH8150
    • Color: N/AMulticolor
    • Rating: 4.375

  • Marina Submersible Aquarium Heater, 8.5-Inch, 50-Watt

    Marina Submersible Heater 8.5",

    • UPC: 54997502
    • Model: 11232
    • Rating: 5.0

  • Penn Plax Aquarium Heater, 7-Inch, 50-Watt

    The Cascade Heat line of aquarium heaters from Penn-Plax brings trouble-free and reliable operation to your aquarium at a bargain price. Each heater features heavy duty coils encased in thick glass tubing and heats aquariums

    • UPC: 20419852
    • Model: CH850
    • Color: Multicolor
    • Rating: 5.0

  • 25/50/100W Aquarium Fish Tank Heater Submersible Water Temperature Rod

    Specification:Color:BlackMaterial: Plastic & Metal & GlassSize: As the picture showPower:25W/50W/100WVoltage: 220VOperating Temperature: 17 degree-35degreeAccuracy: -/+ 1 degreeSuitable for: both fresh and seawater aquariumCable length: 90cmItem included:1 x Water Heater2 x Suction Cup1 x Tip CapNote:1)

    • UPC: 326865267
    • Size: 100W

  • Best Aquarium Heater 2018 Fluval E Series LED

    Best Aquarium Heater Brand Reviews? Fish Tank Q&A

    We test your aquarium heaters and determine what's, Good?, Better?, BEST? | BRStv Investigates