Great Product By rldcpa on 6/21/2014
rldcpa would recommend this product to a friend
I've read all the reviews here and remember that for the 80 watt unit to be effective against disease such as velvet or ich, the water throughput should be no more than 240 gallons per hour not 460 gallons.
Also remember that these units can't cure ich but can remove any disease that flows through the unit. So it can not get rid of parasites in the sand or on fish.
For me the water clarity has increased so that the water is as clear through the sides as through the front. My algae is non-existent other than a bit on the glass that I clean every few days.
I have had no deaths or disease in the year since I got the unit and have added a number of fish.
Remember to clean the quartz sleeve quarterly and to replace the bulb after 1 year. Also replace the gaskets at this time.
In summary, it was expensive but very worth it for the clear water, no algae and no diseases since I got the unit.
Do your research By Michael on 1/8/2014
Michael would recommend this product to a friend
This is the brand has been used on many commercial purpose, I did a lot research on what are the best UV out there, Emperor even advertise their output lower than what they are actually producing, don't buy cheap units thats made for profit only. You get what you pay for!!
Poor Performance By Joe on 1/3/2014
Joe wouldn't recommend this product to a friend
I put one of these 80 watt units on a 150 Gallon Tank and verify I was pushing 460 gallons per hour thru the unit. I'll admit I thought I had the world beat sine the unit is rated for a 600 gallon tank. So I got fish and put them straight into the display tank. It turned out they had ICH and this breakout was NO DIFFERENCE then any other time. It was as if the unit was no even in the system.
Sure I should have put them into the QT but you would think since this tank is 1/4 of what it is rated for it could handle it but like I said I saw no difference.
The money would have better spent making my QT better.
Awesome destructive UV power! By Seth The Wine Guy on 11/28/2013
Seth The Wine Guy would recommend this product to a friend
I have been using this unit on my tank for 2 years now on a 200g twv system. Prior to this, I was using a 40w Aqua UV and had the tank completely wiped out twice. Once with ich and once with velvet. Four figures in livestock loses.
In the two years since running the Emperor 80w HO on my system I've not had a loss since. My water clarity is pristine and only need to run the UV during "lights on" periods to achieve success.
Oversizing the unit for my tank allows me to get twice the bulb life saving money over the longterm. I bought a much larger unit than my tank needed for future upgrades. You can't go too big with a UV on your tank. So, bump up one size from what you think you need and let it rip on your tank and future upgrade!
Should have been my 1st purchase after my tank! By Holyreefer on 4/28/2013
Holyreefer would recommend this product to a friend
I should have purchased this unit 14 years ago!
I LOVE IT AND there is a HUGE difference of algae and ive also noticed the ick that would come and go on my Powder blue and my Achillies hasn't soon at all. Very easy to setup instructions are very clear. GREAT PRODUCT
Works great By Blake on 1/8/2013
Blake would recommend this product to a friend
I installed this sterilizer on my 300 gallon reef system after a algae bloom. In 24 hours the water was clear