![POPETPOP 400W Aquarium Heater - Submersible Titanium Fish Tank Heaters with Intelligent LED Temperature Display : Amazon.co.uk: Pet Supplies POPETPOP 400W Aquarium Heater - Submersible Titanium Fish Tank Heaters with Intelligent LED Temperature Display : Amazon.co.uk: Pet Supplies](https://m.media-amazon.com/images/S/aplus-media/sc/7fd35e6b-8170-4859-9aac-45c2f2601de5.__CR0,0,1200,1200_PT0_SX300_V1___.jpg)
POPETPOP 400W Aquarium Heater - Submersible Titanium Fish Tank Heaters with Intelligent LED Temperature Display : Amazon.co.uk: Pet Supplies
![Hey everyone I have an aquael tank set up for my betta and the Heater for the past week has been blinking slowly as if it cannot heat the water at all. Hey everyone I have an aquael tank set up for my betta and the Heater for the past week has been blinking slowly as if it cannot heat the water at all.](https://i.redd.it/ysb0d8vptup71.jpg)
Hey everyone I have an aquael tank set up for my betta and the Heater for the past week has been blinking slowly as if it cannot heat the water at all.
![Is the light on the heater supposed to blink or be solid? Aqueon submersible aquarium heater 150w adjustable : r/Aquariums Is the light on the heater supposed to blink or be solid? Aqueon submersible aquarium heater 150w adjustable : r/Aquariums](https://external-preview.redd.it/Dfi_BejQy7hDu_MZQL940lAxVKXteQykkILn69mhkn0.png?format=pjpg&auto=webp&s=94042f497e8710f5f8dc26ec39c3a07cf8fa4fe0)