It has a nice thermostat digital read out. The temp i currently have it set on, matches the temp showing on the thermometer tape on the tank, and also matches temp from my dedicated food thermometer. Like any heater this should be coupled with a contr...  Read More

I have 45-65g fresh water tank with a community of mainly tetras which require a temperature between 75-82f. The 200 watt heater is good enough for a 75 gallon tank that needs to be heated no more than 10 degrees above room temperature. If using the s...  Read More

The heater itself feels well built, but it is worth noting that it is very long. Perfect for my beta and is true to size.

The heater is junk! They are extremely inaccurate and a waste of money. Over heated tank. We have tadpoles and we set it to 71 and it overheated to 78!

Accuracy is on par with eheim imo. I love how slim it is, too. Very satisfied with this purchase.

The sleek black design and size are 2 pros if you're looking for a heater that won't take up too much space or look gaudy in the background. My utilization of the heater is to control temperature in a warming bath for several photographic chemicals i ...  Read More

The colbalt aquatics 100 watt heater for my turtle tank is fantastic. Having the two 100 watt heaters on each side of the tank warms, and keeps it warmer a lot quicker and longer. Coming from 5 years of reef experience.