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  • Results 1 to 8 of 8

    Thread: Closing in on a plan for the spring

    1. #1
      salmon alley is offline Senior Member
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      Closing in on a plan for the spring

      I think I've finally got an idea on what I'm going to do come spring to mini-renovate my pond. All advice and recommendations welcomed.

      Here's a picture of the pond as is currently. I placed the hoops to help me visualize what I wanted to do (try and ignore the smaller diameter hoop)

      Name:  Pond.jpg
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      The near field which has the lilies is currently about 10-12" deep. The far field (where the larger hoop is located) is just about a 12' diameter area which maxes out at 30" deep. There is a BD in the center of that area.
      It's difficult to appreciate, but there is a 16" wide ledge which rings the deeper area. It's currently supporting the rocks which lay against the inside of the pond walls.

      Here's my plan:
      1) remove all the rock and liner.
      2) pour a concrete collar on the existing ledge (this is compacted clay which wasn't disturbed during the initial dig)
      3) dig the far 'bowl' down another 12"
      4) stack concrete block on the new collar to create a short (12") raised wall.
      5) install TPR in the deep bowl area to facilitate flow

      Here's why I'm considering this:
      1) The 12' radius "bowl" will now have a total water depth of close to 5'...deep enough for koi
      2) The current water lily area will now be around 24" deep...better for the lilies once they are potted up
      3) I won't have to make any plumbing or equipment changes in my filter pit...I'll just need to put in a new BD and connect it to the existing line
      4) I can rig some sort of screen or netting to keep the koi out of the shallow lily area when the lilies are getting established AND to keep them from being easy pickins during Heron season
      5) I get a few koi while keeping my wife happy with her lilies

      Thoughts? Oh..and Happy Thanksgiving!!!!

    2. #2
      audioenvy's Avatar
      audioenvy is online now Senior Member
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      Definitely a good idea. Will you need to upgrade your filtration to account for the increased water / fish load?

    3. #3
      salmon alley is offline Senior Member
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      Quote Originally Posted by audioenvy View Post
      Definitely a good idea. Will you need to upgrade your filtration to account for the increased water / fish load?
      I don't think so. I've got a Zakki sieve and a 'birdman' S/G filter which is probably a bit overkill for my current load of 3-4 goldfish. I may need to add a second S/G filter, but I think I'm otherwise in good shape.

    4. #4
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      Deeper is always better.

    5. #5
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      sounds like a good plan.

    6. #6
      salmon alley is offline Senior Member
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      (2) x 1.5" TPR at the 3 o'clock and 9 o'clock position (looking at the photo above) ? How far off the bottom is recommended?

    7. #7
      icu2's Avatar
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      Quote Originally Posted by salmon alley View Post
      (2) x 1.5" TPR at the 3 o'clock and 9 o'clock position (looking at the photo above) ? How far off the bottom is recommended?
      I'd say no more than 12-16" from the floor imo. One pond I have them about 12" and the other they are
      only about 4" off the floor and they both seem to work fine.
      How are the tpr's going to be fed? I'd up the size to 2" minimum. I kick myself for using 1 1/2" tpr's in my
      first pond. A lot of head compared to 2" and really limits you later to only pressure feeding them since you
      won't be able to gravity feed much through that small a pipe.

      --Steve
      Find more about Weather in Poulsbo, WA

      "It is far better to be alone, than to be in bad company." --George Washington

    8. #8
      salmon alley is offline Senior Member
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      Quote Originally Posted by icu2 View Post
      I'd say no more than 12-16" from the floor imo. One pond I have them about 12" and the other they are
      only about 4" off the floor and they both seem to work fine.
      How are the tpr's going to be fed? I'd up the size to 2" minimum. I kick myself for using 1 1/2" tpr's in my
      first pond. A lot of head compared to 2" and really limits you later to only pressure feeding them since you
      won't be able to gravity feed much through that small a pipe.

      My plan was to feed them from the pump immediately after the sieve. I was going to split the outflow so some went to the TPR and the rest to S/G filters. That means I'll need to make sure that I size my pump appropriately.

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