Changed out the heater I was using

for awhile it was keeping the tank at 77-78. One morning a few days ago I checked the tank (it was colder outside that night) and the tank was at 74

So I grabbed my 25watt marineland stealth heater and now the tank stays between 78-80. I'm hoping to replace with a better quality adjustable 25watt heater but I guess it'll do for now. I've had 2 stealth heaters fail on me, one sent electrical shocks into the water and the other exploded sending black stuff into the water. Needless to say I don't trust them anymore, unfortunately I have to wait until I get paid before I can replace it

Hopefully for a few weeks I won't have any major issues with it
