i bought a 55gal kit with all the excessiery heater etc about year and a half ago i got it at pets mart the heater got so that i could'nt adjust the heat it stayed on 80 degrees so i took it back to pets mart they made it good so i got a marine land stealth i had to pay extra i didn't mind that i would like to know if thats a good heater it seems like it is the temp sets very easy pet marts very good at standing behind their products i would like some input on the stealth heater is it a good heater thanks