Maintain temperature control to provide a safe and stable environment for your tank inhabitants with the Finnex HMO Titatium Digital Control Heater.
Digital accuracy within to +/-2°F keeps water temperatures at a constant level.
HMO-50: 50W – 10-20 Gallon tank
HMO-100: 100W – 20-30 Gallon tank
HMO-150: 150W – 30-60 Gallon tank
HMO-200: 200W – 60-80 Gallon tank
HMO-300: 300W – 80-100 Gallon tank
At least 8 degrees off By Guy on 12/10/2017Guy wouldn't recommend this product to a friendAs with many reviewers here, I must set the heater much higher than the water temp needed. As it stands now I must set the Heater Temp at 89 degrees F to get a water temp of 78.5 +/- ...This is totally unacceptable. I have the 300 in a 29 gallon sump feeding a 75 gallon display.
Ordered 3 only 1 worked as it should. By Ryan on 12/8/2017Ryan wouldn't recommend this product to a friendI ordered 3 in total (counting returns). All were in high flow, would heat up, but only 1 was "accurate" on temperature. Meaning 2 of them would show wild swings in the supposed water temperature on the high side (10-16 degrees) whenever they turned on.
I tried facing in various directions, again in high flow to wisk away the heat) but they simply are not shielded enough to work without great concern of a tank not heating properly. Which as we speak is happening according to my Apex and I'm out of town.
No good... By Alex on 12/3/2017Alex wouldn't recommend this product to a friendI've used the 100W version of this heater for a few months only to wake up to the loud buzzing noise of the temp getting too low in my tank. Turns out the heater just stopped working all together? After 3 months? Not worth the risk.
Loved the idea of digital setting and LCD readout, but reliability comes first.
Good heater for the money By John on 11/28/2017John would recommend this product to a friendI have a 300W that has been running over a year. Temp reads low on the controller, but not a big deal. Seems to hold pretty steady as long as the heater is sized correctly for your system.
Good heater consistent temp By Evan on 11/26/2017Evan would recommend this product to a friendThis heater keeps my temp rock solid stable. but there is something that I would improve. That being that the cord from the heating element to the controller is too short to form a drip loop. This is fine for fresh water but when highly conductive salt water drips into the controller it causes shorts which I believe is the most common cause of death. It happened to me but I rinsed it in distilled water to remove all the salt, let it dry and then sealed the case with silicone and it was as good as new.
Horrible heater, worse customer service. By Jeffrey on 10/24/2017Jeffrey wouldn't recommend this product to a friendI purchased the 200W version of this heater solely to heat water in a mixing tank used exclusively for water changes. The water changes are 25 gallons, and 200W should be more than adequate to heat this volume. Out of the box, the heater needs to be cranked to 90 degrees in order to heat the water to 79. It takes it 24 hours to do so. If it is set to the appropriate temperature, (79), in 24 hours I have 70 degree water. On asking BRS if this is expected, I was referred to Finnex. On contacting Finnex I was required to send a pdf of the sales receipt--no other form of proof of sale or purchase was acceptable to them. After jumping through that hoop, they agreed to the return of the unit at my expense for them to examine and possibly repair or replace it. As the return postage will be nearly half the cost of a new unit, and more than the cost of a different unit from another manufacturer, I will just replace it. I wouldn't purchase another item manufactured by Finnex under any circumstances. And if I don't get some response from BRS, I will be finding a different vendor for my aquarium needs as well. For the record, I have a 150 gallon display plumbed with a 75 gallon sump and a 40 gallon frag tank, so the amount of money I've spent with BRS is not inconsiderable. Appalling
Not calibrated By Scott on 9/7/2017Scott wouldn't recommend this product to a friendI have had this heater in service for a couple of months now, and the temperature is consistently 2 degrees lower than it reads. It seems to keep a consistent temp at the setting, just 2 degrees low. Will be looking at other options.
Not calibrated from factory correctly By Robert on 7/26/2017Robert wouldn't recommend this product to a friendIt's about 5 degrees off. I have 3 thermometers that are all within 1 degree of each other. They all show 79 while this thing shows 84. I'm trying to start up a new tank here but I don't really trust this heater. I'll keep an eye on it while the tank cycles. I'll just have to set it 5 degrees high but Definitely not putting any fish in until I'm sure this works.
Mediocre Heater with Terrible Warranty Period By Logan on 7/14/2017Logan wouldn't recommend this product to a friendBought two, have to keep both set at 84 to keep the water at 78 since the heating element and probe are not well isolated.
Then 10 months after purchase one died, and the warranty is only 6 months. I'd expect at least a year warranty on something like this.
Great control By Oranin on 7/3/2017Oranin would recommend this product to a friendI like this heater because it will not shatter with glass. Also the controls are easy to read and set. It’s reliable and fits in the back chamber of an AIO.
I dislike the hook attachment to hang the temp reader because it was easily lost and now I just free hangs
Good Little Heater By Jeffrey on 5/27/2017Jeffrey would recommend this product to a friendWorks good for me. Have had the 200w for over a year no problems. Just got the 300w for my new tank and like the small size for a 300w heater.
great product By drobart on 5/18/2017drobart would recommend this product to a friendI own several of these 300 w units, the first one lasted about a year, the second and third one are still going strong, still working after 2 years, I did just purchase a new 300 w unit and was impressed with the new style heater, the temperature line is now combine within the unit instead of a second line running off of the unit. more stable.
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The length is 7.8" you will need 9" of clearance to handle the cable from the top.
The 200w HMO heater is good for tanks around 60-80 gallons and two of them would be perfect for a 120 gallon tank. Thanks for the question and if you have any more just let us know.
The 100w model measures 6.6" long and would certainly fit in the Nuvo 20.
The 200 watt will be 11" long. Feel free to let us know if you have any further questions!
2x 300 watt heaters would be a perfect set up! Feel free to let us know if you have any further questions!
The Finnex heating tubes can be oriented in any direction.
The HMO heaters can be mounted in any orientation and it shouldn't cause any issues.
Thanks for the question and if you have any more just let us know!
The Heater is 12" long exactly. However 13" clearance would be needed to fit with the chord coming out of the top of the heater. Feel free to let us know if you have any further questions!
The Finnex HMO heaters do have a grounded outlet plug.
You will need between 550-1000 Watts in your system. 2x 300 watt heaters would work well!
These are submersible and the cord from the wall to the controller is 4 feet and from the controller to the heater is 2 feet. Feel free to let us know if you have any further questions!
You can certainly select 2 heaters one which the controller set to a slightly lower temperature. For this size tank you will want 2.5-5 watts per gallon around 250 watt total. Here you could select 2 150 watt heaters to work well and place in the same section of the sump if needed!
Typically you will want between 2.5 watt to 5 watts per gallon. Ideally the 100 watt will work great with the 20 gallon tank. Feel free to let us know if you have any further questions!
You will want 100 watt heater for best performance. These will sit in the back no problem. Feel free to let us know if you have any further questions!
Lastly, what would you recommend for a 29 Gallon JBJ Nano Cube and would it fit in the back of the filter area?
For the initial set up 2x 300watt heaters would work out great! The controller is the part which turns on or off depending on temp in the water column. For a 29 gallon tank we recommend anywhere from 75-150 depending on room temperature. usually 75 watt is plenty. Feel free to let us know if you have any further questions!
For something like that you would be best served by an aquarium controller. The most basic of which is the Reef Keeper Lite unit and it will do both of those things as well as give you two more outlets you can use as timers or other functions.