The only reason this product does not get five stars from me is because it does not have an element operative indicator. For tanks with external heaters I’ll continue to use Rena’s SmartHeater but, for any tanks where I’d be using an internal filter, I’ll be looking to use a heater from the Fluval E series range.

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You may compare this heater to Rena’s SmartHeater but as they are different types a straight comparison may be inadvisable. Adjust temperature by pushing the lever left or right at the top of the heater. Each push will adjust by 0.5°C. The heater is factory set at 25°C/77°F so, depending on current temperature, you may get an alert on the display when first used. There’s also much comfort in using a heater that offers a five-year guarantee if you should ever need to take advantage if it! Always unplug the heater when you are draining the tank to prevent the heater from overheating when it is no longer submerged.The small profile is great for the desktop while it’s telescoping extension pole allows for floor placement of the base with the fan head extended up to 3.3 ft from the floor.

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However, there is no visual indication as to when the element is actually heating. Every other heater I ‘ve used has a light that tells you so. Such a visual indicator is technically superfluous with this heater but still something I’d like to see.I also tested the heater against three separate mainstream glass thermometers. Initially the Fluval consistently showed a reading 1°C below that of the glass ones. However, since the first water change, which meant switching the heater off, it has consistently shown the same temperature as the others. Have the heater located by the water outflow from the filter so that the moving water disperses the heated water throughout the aquarium. The Breeze Foldable Fan fully charges in only 4.5 hours and provides a run time of up to 10 hours depending on fan speed setting.

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Patent pending Heat Guard provides Low Surface Temperature (LST) and highly efficient dual convection technology. Setting temperature is simple. Plug in the heater and wait while it self-tests. The heater will then indicate the current level. Programmable Timer and Powered by EWeLink with Built in Wi-FiPowered by EWeLink.Powered by EWeLink. The heater will visually warn when aquarium water goes above or below the set temperature by 1°C. If water temperature goes off by 3°C the display will also flash. The Amaze-Breez – Foldable & Portable Fan by Amaze-Heater is a cool addition to the office, home study, college dorm, workshop, beach, park, poolside or any other area you need a refreshing breeze. It is battery operated making wireless cooling comfort a “breeze”.The heater will also warn if flow around it is too low but will continue to function when the low flow warning is active.