Results 81 to 100 of 143
Thread: Nexus 320 vs ScreenMatic
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08-04-2019, 06:43 PM #81
With Simons set the vertical 2" pipe could also double as as an overflow?
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08-04-2019, 06:59 PM #82
Guess it could but have never seen one taken off bottom drain pipe.
Used run off into a tank with an adjustable pipe that could be adjusted.
Mine now has two, one off the drum and one off the skimmer
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freddyboy Thanked / Liked this Post
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09-04-2019, 07:44 AM #83
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Frimley Koi keeper Thanked / Liked this Post
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09-04-2019, 07:46 AM #84
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Frimley Koi keeper Thanked / Liked this Post
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09-04-2019, 07:54 AM #85
Morning Fred.
Your idea is the best way to do it to be sure of nothing else going wrong but the NRV is a way of getting you out of trouble. Maybe go for a raised air pump and an NRV then you can forget about the possibility of anything being syphoned back up the air line. For the price of an NRV compared to the price of an air pump being replaced I would go for both - belt and braces
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CobraKoi Thanked / Liked this Post
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09-04-2019, 08:06 AM #86
Morning mate.your right and i agree.
My pumps are 2 foot above water line .and 5 foot from grond level.
Never any water coming back. And when i turn on . Instant air. So i don t think there is much water in the line.
Thats why i love it on here. You learn all the time. But a lot of the time you quote what you know yourself and what works on your own system. And yet there is lots of other way to do things.
Have a good day mate. I am going to be repotting all day. Was out all day yesterday getting my new suit for young st sons wedding on Saturday. Hate getting dolled up.
I am a jeans man. Like to be in the scruff thats me. Haha.
Sent from my SM-G925F using Tapatalk
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Frimley Koi keeper, anne Thanked / Liked this Post
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09-04-2019, 08:30 AM #87
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09-04-2019, 06:10 PM #88
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freddyboy Thanked / Liked this Post
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10-04-2019, 06:31 AM #89
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Frimley Koi keeper Thanked / Liked this Post
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26-04-2019, 11:39 AM #90
Hi guys,
the new pond is still a bit off but so far I've gotten a Aqua Forte DM (not VM)vario 20,000L (main return) and an DM (not VM) vario 10,000L (skimmer line).
I know I want the TMC 55watt UV,
I am 99% sure I'm going with the Nexus 320.
Last thing I need to decide on is an air pump.
I'd like one unit to do the 320 and the bottom drain,Is this too much to ask from one unit?
Thanks
Slight Edit !Thanks FrimleyLast edited by CobraKoi; 26-04-2019 at 12:08 PM.
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freddyboy, Frimley Koi keeper Thanked / Liked this Post
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26-04-2019, 11:55 AM #91
Don't you mean DM pumps? or are the low voltage ones VM pumps?
As for air pumps I'm not sure what you need for a nexus but had a quick look on Coastal Koi site and the biggest one they do is an Air Tech 150 lpm then there is the Aqua Eco Hi Blo that does a 120 lpm. SECOH are meant to be very good pumps too and they are more powerful than they appear to be going by the way they rate their outputs apparently just not sure how big they go as I just looked at one site to get a bit of an idea for you.
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freddyboy Thanked / Liked this Post
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26-04-2019, 12:16 PM #92
I have a ea 150 and ea 95. one on the bottom drain and one on the nexus. but I reackon my ea 150 could do the both of them. what you have to do in my opinion
is work out how deep the pond is, and then look for a pump that will do it. I went for a ea 150 lph pump because my pond is 6 feet deep in water and also 3 feet above ground.
like I said earlier in the thread there are cheaper pumps out there. but I will stress the ea pump is a good pump. look at the graphs of the pumps. when looking about.
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Frimley Koi keeper Thanked / Liked this Post
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26-04-2019, 01:16 PM #93
I have two EA 75 air pumps. I tried running one off the bottom drain and one on my nexus 220 but the bottom drain was too violent. If I run both the bottom drain and 220 off one pump it's too little so I'm now running a valve off the bottom drain line which is T'd into the nexus i.e. the excess air not needed for the bottom drain is going into the 220 so 130 - 150 litres feels about right to me for my setup, if you are going 320 then as Fred said, 150 would be about right IMHO.
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26-04-2019, 01:18 PM #94
The EA 150 is serious money
Good info thought,I suppose I can start with one air pump and see if it can drive both.
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Frimley Koi keeper, freddyboy Thanked / Liked this Post
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26-04-2019, 01:26 PM #95
Obviously there are other brands and I wasn't saying go with the EA. Mine have been fine though.
You need to work out the total cost of ownership i.e. upfront and running costs. A cheap pump may cost you more in the long run in electric, it may not...! I'm building a second pond at the moment, I'm not sure what air supply I'll go with yet but I know I want to keep the running costs down as the Mrs is already starting to frown at the electric and water bills!
I just had to double check my sanity as to why I went with 2 x 75w rather than 1 x 150w but it looks like 2 x 75w is around £50 cheaper than 1 x 150w and uses 88w compared to 106w so there was method to my madness at some point.
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26-04-2019, 01:32 PM #96
Thanks Lee,
Yes I want to keep the watts low too,
Yes two EA 75 is definitely an option for me too.
I'm a firm believer in buy cheap buy twice,but also a believer in diminishing returns !
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26-04-2019, 01:50 PM #97
I use these and no problems,a lot dont like them but they are a piston pump and a bit noisier than others and ok on electric.
https://www.ebay.co.uk/itm/HAILEA-AC...G22uOpqqvRTclwJohn
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26-04-2019, 01:54 PM #98
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26-04-2019, 02:01 PM #99
I have two and one been running for three years now with no problems.
I sit mine on a soft bit of underfelt because it is vibration that makes the noise.John
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26-04-2019, 07:43 PM #100
I've got one of those that I use for boiling my Eazy Pod - think it is the 80 lpm one. OK so it's louder than the other air pump I have that is running all day every day but as it's only used for a few minutes at a time as and when I clean the Eazy Pod it's not an issue. Might give the underlay trick a try John
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freddyboy Thanked / Liked this Post
Best plants to remove Nitrate
pug has a very impressive veg filter on his pond, have a look at some of his his youtube videos....