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  • Results 1 to 10 of 10

    Thread: DracoDrum Minima Combination RDF/Bio Filter w/ Rio Media...

    1. #1
      Zac Penn's Avatar
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      DracoDrum Minima Combination RDF/Bio Filter w/ Rio Media...

      I did some flow testing today using the largest pore opening Rio Media. At 2000 GPH you can expect to see a 1" drawdown caused by the media in a submerged media bed like in the Minima. This drawdown still gives plenty of water level for the RDF to function in the filter. I was actually quite surprised at how well the large pore Rio Media allowed 2000 GPH of water to cross flow through six blocks and only bring about 1" of drawdown....



      Just as a side note...
      While i was filming that video i stepped on the transducer cord for the flow meter and disconnected the wire from the transducer. That is why the flow meter all of a sudden went to zero water flow. Whoops...
      Last edited by Zac Penn; 05-31-2018 at 10:05 AM.
      Zac Penn.... Not an expert on Pump Testing, no matter what people may think!
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    2. #2
      mplskoi is online now Supporting Member
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      Are you using the Periha or is that the Home Depot pump on this set up?
      editing as I have now watched the video. I see that is the Alpine.
      This set up is reminding me of what Waddy does with his filtration. Of course his media runs parallel to the water flow rather than perpendicular.
      It will be interesting to see how the draw down changes as the media matures.
      I know it would be about impossible to know, but would be interesting to try figure out how much better (or not) a shower is compared to a well aerated static bed of ceramic media.
      I ran my pond almost a year with just submerged static bed of ceramic media. I like the energy efficiency of that concept.
      Nice product Zac. Keep up the good work.
      Last edited by mplskoi; 05-30-2018 at 11:10 PM. Reason: typo

    3. #3
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      I'm liking the small little neat kits you have for small ponds.
      Time you enjoy wasting is not wasted time. ---- Marthe Troly-Curtin



    4. #4
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      Quote Originally Posted by mplskoi View Post
      Are you suing the Periha or is that the Home Depot pump on this set up?
      editing as I have now watched the video. I see that is the Alpine.
      This set up is reminding me of what Waddy does with his filtration. Of course his media runs parallel to the water flow rather than perpendicular.
      It will be interesting to see how the draw down changes as the media matures.
      I know it would be about impossible to know, but would be interesting to try figure out how much better (or not) a shower is compared to a well aerated static bed of ceramic media.
      I ran my pond almost a year with just submerged static bed of ceramic media. I like the energy efficiency of that concept.
      Nice product Zac. Keep up the good work.
      You meant using. he wasn't the one suing lol. I understand what you meant. Shower will always be the best out there imo

    5. #5
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      here is a video of the rio media ive used on top tray of shower for over 2 monhs and no shade.

      https://www.youtube.com/watch?v=hoCvQ6cIkpk

    6. #6
      Zac Penn's Avatar
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      Why didn't anyone tell me the video straight up sucks???? For some reason my editing on iMovie made it zoom in on the center of focus and I was rushing to go to dinner with family so i didn't catch it. I have uploaded the original version but it will have some background noises from the plastic cover on the air pump being loose which is causing the rattle. Plus I am pretty shaking on that video but hopefully YouTube can edit that out for me.

      Hopefully the new version gives you a better perspective on the setup.
      Zac Penn.... Not an expert on Pump Testing, no matter what people may think!
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    7. #7
      Zac Penn's Avatar
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      Quote Originally Posted by mplskoi View Post
      Are you using the Periha or is that the Home Depot pump on this set up?
      editing as I have now watched the video. I see that is the Alpine.
      This set up is reminding me of what Waddy does with his filtration. Of course his media runs parallel to the water flow rather than perpendicular.
      It will be interesting to see how the draw down changes as the media matures.
      I know it would be about impossible to know, but would be interesting to try figure out how much better (or not) a shower is compared to a well aerated static bed of ceramic media.
      I ran my pond almost a year with just submerged static bed of ceramic media. I like the energy efficiency of that concept.
      Nice product Zac. Keep up the good work.
      Yeah, it will be interesting for sure to see how this develops. I am going to install this exact setup over at my parents Dry Stacked QT Tank and monitor what the drawdown changes look like as the media matures and as the screen gets a buildup of algae/bacteria on it. I am going to use that Jebao pump, that I tested earlier, for this system. I will replace the Alpine with the Jebao and run the test station again to find out what power setting will get me 2000 GPH flow rate when I install it on the QT tank. Seeing as how this is gravity fed and I have two 3" BD supply lines and three 2" underwater returns I shouldn't see any real differences in dynamic head losses between the QT tank and the pump testing station.

      I have no hard proof of this conversion but I generally tell my customers to expect a 50% decrease in total nitrification power on an aerated submerged media bed when compared to one of my Zakki Showers using the same media. Not only due to the reduced flow rates but also due to the water trying to find the path of least resistance, which would be flowing around the media instead of through it. The Minima reduces that second factor due to the way the blocks are installed into those slots, but the maximum flow rate is still 50% less in the Minima than when I tested the same media in a shower. I was able to get 4000 GPH to flow through these large pore blocks without any water going around the block. It is amazing to think that it can absorb 4000 GPH in a 12" x 12" x 2" thick block, but with my distribution manifold on top of it that equates to 484 individual streams of water that are now flowing only 8.26 GPH onto that small section of media. You certainly can't get these kinds of results with a DIY Spraybar
      Zac Penn.... Not an expert on Pump Testing, no matter what people may think!
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    8. #8
      mplskoi is online now Supporting Member
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      Quote Originally Posted by Zac Penn View Post
      Why didn't anyone tell me the video straight up sucks???? .
      Some people like to attack you for no reason at all. Some people give you a free pass. There it is. One free pass. Next time we expect better of you.

    9. #9
      Zac Penn's Avatar
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      LOL thanks hahahah
      Zac Penn.... Not an expert on Pump Testing, no matter what people may think!
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      Zac@DeepwaterKoi.com
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    10. #10
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      Last edited by IAmHolland; 6 Days Ago at 01:36 AM.

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