10 Best Small Heater For Betta Tanks of January 2021

  1. Product Highlights
    • 【intelligent frequency conversion technology】temperature accuracy is up to 1℉ as advanced intelligent frequency conversion technology. if the temperature is lower than the target value of 0.2°f, the heater works at a variable frequency to keep the temperature constant. the working frequency will be changed according to temperature variation. if the water temperature is ...
    • 【built-in thermometer】water temperature will be displayed on both the heater and external temperature controller in real time. dual built-in temperature sensor. dual led display. high accuracy temperature as the temperature sensor is contact with water directly and have excellent heat conduction
    • 【small size heater】 auomii 50w small size aquarium heater is suitable for 1~10 gallon mini fish tanks, and easy to hide in the tank. temperature can be accurately adjusted from 64~93°f. this heater suitable for both saltwater and freshwater. the rated voltage is 100-130v. easy to set temperature, easy to read temperature, easy to install
    • 【safety and reliable】3 pin plug with ground wire, connect the water to ground directly, no risk of electric shock. 4 protections: leakage protection / over heating protection / dry running protection / out of water protection. sturdy engineering plastic shield, scalding resistant and explosion resistant. using touch control button, easy to set and read the temperature. ...
    • 【30days refund 12 months replacement】your purchase today is completely risk-free. if you are not completely satisfied for our device, let us know for a full refund. why wait? get it today
  2. Product Highlights
    • Constant temperature & no need to adjust - datoo 30w mini aquarium heater can automatically maintain a constant temperature between 75°f and 82°f (depending on the external environment), no need to set. this temperature range is ideal for most tropical fish and is very beneficial for the reproduction of betta and promotes their metabolism. with no extra work, just plug ...
    • Ptc heating & only suitable for freshwater - unlike conventional glass aquarium heaters, ptc has better thermal conductivity and heating rate, no explosion, no breakage. very energy efficient and environmentally friendly. your child can operate it easily and is very safe. this mini fish tank heater is only suitable for fresh water tanks.
    • Perfect mini heater for 3~5 gallon tank - for a betta breeder with a 3 to 5 gallon small tank, it is very difficult to choose a suitable heater. because most of the heaters on the market are too big for this small tank. this not only affects us to watch our beautiful betta, but also reduces the activity space of the betta. now datoo mini aquarium heater can help you sol...
    • 24v safe voltage & power off after leaving water - the output voltage of the datoo betta heater is only 24v, which not only ensures the safety of the fish, but also ensures the safety of the user. no need to worry about leakage, you can rest assured to use it for your children. the betta heater needs to be completely submerged in the water. if it leaves the water, it wi...
    • Attention & one year warranty - this is 30w mini aquarium heater, size is 3*2*0.26 inch, fit 3~5 gallon small tank. only for fresh water tanks. one year warranty and 100% money-back guarantee. buy datoo products with confidence. just do it, let’t go!!
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