plecolover

my neptune indicater light goes on and off. is it supposed to do that or is something wrong?

Callum The Cat

Chief_waterchanger

If it is constantly flickering it needs to be replaced.

What kind of interval of time passes between on and off? every 10, 20, 30 minutes, or seconds?

plecolover

I just got i though why would It need to be replaced?

Chief_waterchanger

Could be anything from manufacturer's faulty work (Every manufacturer in every field has a percentage of product that will be faulty due to a piece not getting sautered, a missing piece, etc. Quality control has a job due to the fact that there will always be imperfect product when humans are making it.) to it being a lower quality heater. Neptune and topfin are two of the lesser quality aquarium brand names.

sick-lid boy

I have five heaters (submersible) by 3 different manufacturers and all of them go on and off intermittently. It's normal. Most all heaters go off even before the water reaches the set temp. I think they do that so they won't get too hot and scorch the fish.