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    Thread: spillway

    1. #1
      Nevermore is offline Senior Member
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      spillway

      I assume that any spillway/weir would need to be pump fed vs gravity fed from a s&g set up with 4 feet of head?

      Spillway

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    2. #2
      Marilyn's Avatar
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      Yes, that would need to be pump fed but as someone that used one of those weirs, I'm going to suggest you find one that is more open. The appeal for me of that one was that the water would have a clean fall into the pond. The reality was that the tiniest bits of particulates made it look ragged and unappealing. Algae would often clog whole spaces in it.
      It was a nightmare and I removed it within a few months of installing it.

      Still learning as I go but y'all can call me Marilyn

    3. #3
      Nevermore is offline Senior Member
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      Thanks for the info on that one. I guess these would function better on a chlorinated pool. I was wondering if I could core out a larger 3" inlet, that the gravity fed return would function well enough.

      Did you end up using something like this?
      Aquascape Spillway
      Last edited by Nevermore; 06-18-2019 at 02:28 PM.

    4. #4
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      Yes, I did. The open spillway works so much better on ponds.

      Still learning as I go but y'all can call me Marilyn

    5. #5
      Nevermore is offline Senior Member
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      What if I punch a 3" opening into this guy? Would the gravity feed work?

      basic spillway

    6. #6
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      Nevermore I moved your thread to the Construction Forum to generate some more responses...
      Gordana






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    7. #7
      icu2's Avatar
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      Maybe another option;
      I just used a rock with an "edge" attached to it to get a smooth flow. Gravity fed:



      --Steve



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    8. #8
      Nevermore is offline Senior Member
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      So I just have a 2x6 wooded frame around the perimeter of the pond so I’m just looking for a really simple option. The prior posted basic plastic spillway is fairly cheap so I’ll try adding in the 3” inlet and see what happens with it being gravity fed. I can always go back to where it’s at now. Thanks all.

    9. #9
      ricshaw is offline Senior Member
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      Quote Originally Posted by Nevermore View Post
      So I just have a 2x6 wooded frame around the perimeter of the pond so I’m just looking for a really simple option. The prior posted basic plastic spillway is fairly cheap so I’ll try adding in the 3” inlet and see what happens with it being gravity fed. I can always go back to where it’s at now. Thanks all.
      Name:  Screen Shot 2019-06-19 at 7.54.24 AM.jpg
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      It should work fine.

    10. #10
      Nevermore is offline Senior Member
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      So i ended up notching out the backside of the wood to get it to work and just used a 3" uniseal that i had laying for the back of the spillway. I know you are suppose to use bulkheads with underground work... and I plan on swapping one in here at some point. It only has an inch of soil over it... plus leaf mulch. I went to a roofing supply/shop and had them fashion up a quick copper lid which will brown out in time. I'll have to watch it all during the winter. If it starts to freeze up or cause issues... I can disconnect the whole thing easily and drain the line. Worked out great so far.
      Attached Images Attached Images   
      Last edited by Nevermore; 07-11-2019 at 08:52 AM.

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    11. #11
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      Looks terrific!
      --Steve



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    12. #12
      Stylo328 is offline Member
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      That lid looks great!


      Sent from my iPhone using Tapatalk

    13. #13
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      Very nice!

      Still learning as I go but y'all can call me Marilyn

    14. #14
      Nevermore is offline Senior Member
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      Thanks all.

      The birds and chipmunks are now angry... the had been using this as a drinking station for the past week during our dry heat wave. Maybe i'll make a miniature cat walk around to the water so they can get a drink still!

    15. #15
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      Quote Originally Posted by Nevermore View Post
      Thanks all.

      The birds and chipmunks are now angry... the had been using this as a drinking station for the past week during our dry heat wave. Maybe i'll make a miniature cat walk around to the water so they can get a drink still!
      The copper cover is beautiful and should look great as it ages. You don’t want to be fishing chipmunks out of the pond. Maybe give them a safe little recirculating water feature of their own
      Click for Cape Coral, Florida Forecast

    16. #16
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      How much flow do you have running through ?

    17. #17
      Nevermore is offline Senior Member
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      I’ve seen a few animals make there way into the pond over the years but luckily there is a “walk out” area under the deck side for them to get out. The worst guy was a box turtle ... but my son snagged him to observe before letting him go.

      As far as flow rate, I don’t have the exact number but the inlet is choked down enough so that I don’t see the chicken grit dancing around in the top layer.

    18. #18
      koi4u2c is offline Senior Member
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      Copper is toxic to koi. I have read articles about a number of effects that were eventually determined to be from the toxic effects of copper.
      Nancy



    19. #19
      Nevermore is offline Senior Member
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      Noted...though the amount getting into the pond from rain running over this piece would be at nominal level and regular water changes would take care of it. Aren't pond algicides made from copper too?

    20. #20
      icu2's Avatar
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      Quote Originally Posted by Nevermore View Post
      Noted...though the amount getting into the pond from rain running over this piece would be at nominal level and regular water changes would take care of it. Aren't pond algicides made from copper too?
      Not to mention most have copper pipes in their homes too. I doubt it will have any effect on the water.
      --Steve



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