View Full Version : marineland 300 watt dual temp

01-24-2005, 12:00 AM
i have a marineland 300 watt dual temp, it is in a 55 gallon tank.I have tryed to raise the temp to about 82 degrees, but it wont go past 80?? i dont know if im not using it right or what. its making me angry though!! please help

01-24-2005, 12:01 AM
Perhaps not enough wattage. What is the room temperature?

01-24-2005, 04:14 PM
i am having the same problem. my room temp is between 70 75 tank temp stays under 75. can u suggest a good heater for a 55 gal

01-24-2005, 04:35 PM
any ebo jagger is good, perhaps two 150 watt would work, thier thermostats are usually off a degree or two so you have to adjust for that, but they hold that off temp rock steady