Immediate Matrix: Simple-To-Use &...
Arts & Literature3 mins ago
No best answer has yet been selected by little coojy. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.Sounds like you either have a dodgy heater or one that isn't powerful enough to heat your tank (do you know the wattage of it ?)
Usually, with all modern day heaters, there's a built in thermostat which cuts the heater out once a certain temp has been reached....and turns it on at the lower end of the scale.
It's worth spending an extra �20 to get a new heater...second hand ones can be dodgy and your fish will rely on the heat to keep them alive.
Come and register on http://www.uk-aquarist.com/index.php?act=idx You can ask as many questions as you like on there and the experts will gladly help you out