DIY UV light build


brandonsdad02

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I have been having all sorts of problems with my water this year for some reason. Had a algae bloom real early this year and I have been told that a UV light is the best way to get rid of algae blooms and pea soup water. So with a little creative thinking and a hours work, I made my own UV light set up.

I went to Menards and bought 2 9 watt uv lights for $99 a piece.
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Now with most UV lights, you have to plumb them into your tubing for the rest of the pond and sometimes get a pump to run them. Well thats where I decided to change things up a bit. I have a off brand of a Savio skimmer box and from what I can tell Savio skimmer boxes have spots in them where you can add a UV light.
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In order for this to work I had to cut the top off of the new housing for the uv light to be sealed up tight.
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Then I just had to slide it on the UV light assembly. This is with out the top piece cut off the new housing
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With the cut off piece on the UV light
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Now all put together
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Next I took off the covers for where the UV goes in the Skimmer box.
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Next I put the assembled light in the opening and plugged it in to make sure that it was working.
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Next I had to cut the cover for the top of the UV space so I could get the cord to fit thru and put the cover back on
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I did the same for the other side of the skimmer box so there is 2 9 watt UV lights and each one can handle up to 1,500 gph.
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Drilled a small hole at the top of the skimmer box so I could run a zip tie thru to secure the cord and set the UV light at the height that I wanted it.
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All complete with the cover on and UV light on.
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Both sides done
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Took a hour to do both sides and now when the water clears up, I can take it out and put it away for next year. No having to run hoses or running a new pump. Still is just the same as using the housing that it came with, just not nearly the hassel.
 
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koiguy1969

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hey...can you send me the hose nipples and screw caps for them...i have one of those 9 watt tetrapond U.Vs and one of the inlet caps is broken...and you wont be needing them now!! please!...clever idea you had....
 

koiguy1969

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did you get my P.M (private message)? THE PARTS I REALLY NEED ARE THE BLACK CAPS THAT HOLD THE HOSE NIPPLES. BUT I'LL TAKE THEM ALL!
 
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Did you put the bulb directly into the water? This looks like a great idea. I have a Savio skimmer, but it only has one spot for the uv, in the center. I really want to try this, the pond is having a HUGE algae bloom.
 

brandonsdad02

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I put it directly in the water just like it would have been if I hadn't cut the housing apart. You just have to make sure you use the threaded top piece to seal up the light bulb housing. Took nine days to clear my 3500 gal pond.
 
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That's impressive!!! What brand clarifier did you buy? We don't have a Menards here so I will probably have to order one online.
 

brandonsdad02

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It's a Tetrapond clarifier. I was unsure if it would work but that is what the holes are for in the skinner box. Much easier than having to to plumb it in to your existing set up and having to add ball valves and such.
 
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Just checking to see if your uv clarifier is working? I just realized my skimmer is a compact, there is only 1 space for uv clarifier and it's in the center. I found a retrofit uv clarifier for $179 and trying to decide if I should buy it or just let nature take it's course.
 

sissy

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Remember to leave the glass housing over the bulb to protect the bulb ,my neighbor made that mistake .Some one told her at the petsmart since she had a spot for a uv that all she had to do was put the uv bulb in the housing and did not tell her about leaving the glass protector on .She should have read the box or instructions that came with the uv that she bought ,but she did not .I was amazed that she would listen to an employee there and not double check that out .oh well
 
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this a great thread, but i have a question, I have a Crystal ponds Skimmer, and it has 2 spaces for UV lights, The correct ones to fit the skimmer are not available anywhere so i was looking for an alternative solution, Is it better to add a UV light in the skimmer or add an in line one after the pump? I have seen a cheap china one "Jebao" one, I could get it and modify it to fit in the skimmer, or i could also get it with 2in PVC adapter to fit in line. I have 3600gph pump and the UV has a max flow rate of 4000gph.

As I am newbie, and about to start to build my first pind, expect this to be the first of many questions.

thanks
jp
 

brandonsdad02

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If it will fit in the spaces in the skimmer box I would use those. I didn't want to mess around with the plumbing and all the other stuff that you have to do for a uv light, that's why I just cut the housing apart on mine and used what I had to to make it seal up right. It has worked great for my set up. If I have this issue again next year all I have to do is take off 2 screws and put the light in the openings and plug them in. I have no hoses to connect or valves to adjust. Just drop it in and go. I have the same size pump as you and it took 9 days to clear my pond
 
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Hi Ryan,

thanks for the reply, I have a crystal ponds PSK2 which can take up to 2 UV24-PSK2

53143625-250x250-0-0_BeckettWaterGardeningCrystalPondProfessional.jpg


the only issue is that no-one has any stock of them. :sad:

I was looking at this

pu36_01.jpg


from E Bay, like I said it has a 2in PVC adapter which is good as I will be running 2in PVC pipe from the pump (in the skimmer) to my waterfall (which will have bio balls and filter material)

I was inspired by your post and thought" i could do that too", but i want to use the UV light in its most efficient way (in skimmer or inline??)

I am weighing up the maintenance side of things, Changing the bulb etc, against the accessibility issues (easy to do in skimmer, a potential pain in the a$$ in line), but am not sure which way to go for most efficient use.. I am sure the light I am looking at purchasing could be modified, but also as i have not build the pond or done any plumbing yet it could be added easily.

thanks
jp
 

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