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Thread: Questions about UV
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17-07-2020, 05:22 PM #1
Questions about UV
I’ve got two UV units, shall I run them together as in one after the other on my filter line or shall I connect one to my skimmer and one to my nexus line? The trade off being running the same water through UV for twice the time or runny twice the amount of water through uv for half the time? If that makes sense.
110w UV’s on pumps both @ 8000LPH
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17-07-2020, 09:36 PM #2
I really don't think you need two 110w uvs on a 21000 L pond. I used to run one 110w uv on a 36000L pond which gets sun all day and it was fine. I've recently changed this for a 40w amalgam, which so far seems to be doing great. I was intending on installing 2 but so far it's not needed.
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17-07-2020, 10:01 PM #3
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17-07-2020, 10:14 PM #4
I’ve got 16000 litres with an X Clear 75w an 80w Amalgam and in the summer still have to use a EA55w every pond is different.
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17-07-2020, 11:40 PM #5
Maybe I’ve set it up wrong because one UV doesn’t do the job, it clears most but definitely not all. I’ve got it so might aswell use it as can’t be a bad thing and can only make the pond cleaner right?
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18-07-2020, 12:19 AM #6
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18-07-2020, 06:15 PM #7
I wouldn’t run them in tandem, I’d put one on each line. As I said in an earlier post I’ve got an XClear running on a EA220 on one line, the amalgam is dropped in a 4” pipe from the skimmer and one of the bottom drains, the EVO55 is on the same line after the filter which I use in the summer. The Amalgam on its own should be enough but it isn’t.
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18-07-2020, 06:26 PM #8
You checked the bulbs are ok? Also sometimes if the flow is set to high it will have a negative affect.
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18-07-2020, 06:28 PM #9
Thanks for your replies guys. I’ll set them up separately.
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18-07-2020, 06:28 PM #10
The Daily pond temp thread
Still at around 17C, know what you mean about getting the covers off though :D it will be really...