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Discussion Starter · #1 ·
Folks, I've been looking over the past threads on this website after seeing some of my cheapie fishes I bought recently died, I got to thinking about uv sterilizer. Diane mentioned that Submarine UV Sterilizer and so I did some googling.
Max Flow Dimension Max Size Price
5 Watt 132 gph 9" x 3" x 2-1/2" 40 gal $65
7 Watt 132 gph 10" x 3" x 2-1/2" 70 gal $80

Now AquaClear 20 filter at 100 gph 5-20 Gallon $23
30 filter at 150 gph 10-30 Gallon $30

Looks to me like the Max Flow rate for 5w and 7w is close to the aquaclear 30 filter for up to 30 gallon.
El-natural aquarium setup want to minimize water movements. I would imagine the max flow rate should work up-to 75 gallon. Now, couldn't this UV sterilizer serve the dual purpose of keeping the water clean and act as a power filter? One thing is that I might not want to run sterilizer 24/7 but instead 1 week out of the month so may still need a filter the other 3 weeks. I'm thinking the 7 Watt one should work with my 20 gallons all the way to my future 75 gallons setup. Thoughts?
 

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Discussion Starter · #4 ·
Dave looks like an interesting product. You may get away with it running 12 hrs/day for a 12 gallon but I don't think a 75 gallon should go without some current for 12 hrs. Maybe I can have two timers. One for a small internal filter and the other for the lights and sterilizer. That way during the day it kills algae etc and at night just let the other filter move the water a little bit. I don't think this is sold here in the states though. At 44 gph it seems a little low for use in larger aquarium.
 

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Discussion Starter · #9 ·
Thanks Diane. Good to know. It's opposite of what I thought but night it is. Now for those who have the Submariner, the UV light has a separate power outlet to the pump? That means I need to use two timers one for the aquarium lights and one for the UV light since they are running opposite time of the day.
 

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Discussion Starter · #14 ·
I got one more question for you guys. My biggest tank is 20gallon right now but I am planning to get something bigger. So I want to be able to use the sterilizer in small and my future large tank. Looking at the submariner brand they have the 5 and 7 watt but both are rated at 132 gph??? What the healll?
It the same amount of water flow rate in and out why bother with 7 watt? The 5 watt should be effective within it's spec so seems to me the extra 2 watt is useless unless the gph can go higher for the 7 watt.

5 Watt 132 gph 9" x 3" x 2-1/2" 40 gal $65
7 Watt 132 gph 10" x 3" x 2-1/2" 70 gal $80
 

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Discussion Starter · #16 ·
Because Diane use it in her tank. If she use it I use it ;). Actually, I bought some community fishes from petco and one sunset platy were acting a little funny from the time I bought it. It didn't act healthy or look healthy. I knew something was wrong with it even at the store but there were only 2 left and on sale so I said what the heck and got it thinking the tail shape is not a sign of problem or constant swimming against the bubbly current at the store. Anyhow, it died after a week and then strangely the healthy looking one also died the next day. I don't think the black mollys or the gold barbs could have killed them. So anyhow, I started to get worried the other fish might get the disease. I was looking for a water circulator in place of the power filter also and that's when I got the idea of using sterilizer for dual purpose of prevention of disease spreading and circulate the water. Also I read that you can contract diseases from handling the aquarium water. Search this forum and you'll see even more reasons.
 

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Discussion Starter · #18 ·
Thanks Diana. I agree the higher wattage the more potent. The thing I question is that if the 5 watt kills 99% of the water that goes through the sterilizer at it's max rate and the 7 watt also have the same max rate than it would not be much different at al. But after a little more reading, it seems that the submariner have variable rate you can control so that I am guessing at lower flow rate it would be 99% but as the flow rate increase the potency decreases and that would justify the 7 watt usage because it will be more effective at higher flow rate.
 
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