new heater not working

**Nathanhoooo** · 10-11-2012, 12:07 PM

i recently bought a brand new Hagen elite 25w submersible heater and iv had it going for about 4/5 days now on the hottest setting however the water temperature is only at 22 when it says it can reach 30. is it just broke or am i doing something wrong ?

**imma24** · 10-11-2012, 12:24 PM

How large is your tank and how many gallons is the heater rated for?

**Nathanhoooo** · 10-11-2012, 12:29 PM

not exactly sure on the tank size but they dont get much smaller put it that way and im pretty sure the heater does up to like 20litres

**Goes to 11!** · 10-11-2012, 12:35 PM

Originally Posted by Nathanhoooo

not exactly sure on the tank size but they dont get much smaller put it that way and im pretty sure the heater does up to like 20litres

Then GET exact, Measure the tank.

**imma24** · 10-11-2012, 12:35 PM

25w doesn't sound like it would heat very well - even on a smaller tank.

What are your tank dimensions - are you near it? If it's so small, what are you planning on putting in it - or do you have things in it already?

**Nathanhoooo** · 10-11-2012, 12:42 PM

not sure on dimensions and im not near it atm. just looked at some pictures of other tanks and mine might be a little bigger than i thought but surely it would still heat up the tank but just take longer? i didnt really pay much attention to dimensions because everywhere i looked online said that the amount of water doesnt really matter

**imma24** · 10-11-2012, 12:45 PM

Sure the amount of water matters - the more water there is, the harder a small heater will have to work to heat it & maintain a certain temp depending upon the temp outside the tank.

Obviously, you don't want a heater overdoing it and cooking anything, but it's important to make sure the heater is adequate for the tank size so it's not on all the time.

**Nathanhoooo** · 10-11-2012, 12:49 PM

Originally Posted by andreahp

Sure the amount of water matters - the more water there is, the harder a small heater will have to work to heat it & maintain a certain temp depending upon the temp outside the tank.

Obviously, you don't want a heater overdoing it and cooking anything, but it's important to make sure the heater is adequate for the tank size so it's not on all the time.

ok well i think ill just look into getting a bigger heater. i knew id have to anyway as my tank is a little small for the fish i have especially when they start growing. ive got a bigger tank waiting to be set up so ill get a better heater when i do. cheers

**jeffs99dime** · 10-11-2012, 12:53 PM

Look at the link in my signature- lots of good info there. You should know the size of you tank and everything about it for that matter, before buying equipment for it.