[Guest]

i had this heater in my 5 gallon betta tank and it kept the temp at 80 degrees ... i have owned it for less than a year ... it goes under the substrate ... good for 2 to 5 gallon tanks ... bought at big al's ... asking 5 dollars

http://www.bigalsonline.ca/StoreCat...y=7.5+watt+heater&queryType=0&hits=12&offset=