(for an article) Tank Turnover

Discussion in 'Reef Aquarium Discussion' started by Seawitch, Mar 3, 2019.

  1. Seawitch

    Seawitch Water, water everywhere, Staff Member R2R Supporter R2R Excellence Award Partner Member 2019 R2R Secret Santa Build Thread Contributor Article Contributor Article Administrator

    Joined:
    Nov 3, 2018
    Messages:
    1,143
    Likes Received:
    2,884
    Location:
    Vancouver Island
    For the purposes of an upcoming article, I'd like some input from forum members:

    1) what's your tank turnover (how much water goes out and comes back in per hour + how much is just moving around or circulating but not necessarily going out and in = total turnover)?

    2) what's your size of display tank?

    3) what have you got in the display tank that led you to decide on this particular turnover rate?

    4) photos would be nice too....;)

    5) are your tank inhabitants doing well with this rate?

    Thanks!!
     
    Tags:

  2. MnFish1

    MnFish1 Valuable Member R2R Supporter Partner Member 2019 Build Thread Contributor

    Joined:
    Dec 28, 2016
    Messages:
    3,477
    Likes Received:
    3,029
    1. No idea actually but there is a lot of flow (mostly from a large Gyre)
    2. 100 gallons
    3. I don't pay attention to 'the flow rate' of the return pump. I like the high flow rate from the Gyre - and the variability. If you've ever been snorkeling/diving, the flow is often far higher than in our tanks.
    4. See the signature:)
    5. Yes seemingly.
     
    Seawitch likes this.
  3. blackizzz

    blackizzz Active Member Build Thread Contributor

    Joined:
    Dec 5, 2010
    Messages:
    268
    Likes Received:
    522
    Location:
    Sweden
    1. Sump -> Tank flow: around 3000l/h. In tank flow: around 10000l/h when at highest, ramps up and down throughout the day. Total turnover = 13000l/h / 3400g/h
    2. display tank volume 35-ish gallons
    3. Keep SPS, try to keep as "high flow" as I possibly can without having a sandstorm / fish plastered to the tank walls :p
    4. Pictures are in my thread ;)
    5. Yes, fish doesn't seem to mind the high flow, corals seem to "love it" (based on PE and general health). A fairly young tank though, so time will tell :D
     
    JoshH and MnFish1 like this.
  4. maroun.c

    maroun.c Moderator Staff Member Team R2R R2R Supporter R2R Excellence Award Partner Member 2019 Article Contributor

    Joined:
    Feb 13, 2011
    Messages:
    2,304
    Likes Received:
    1,958
    Location:
    Lebanon
    1- Return pump is a 5500 gph gallon hayward pump, effective flow after head loss is around 3250 Gph split over 2 lines with seaswirl to make flow redundant. In tank flow is 2 gyres rated at around 5750 gph each but running at 50 percent. And 2 MP60s rated at 7500gph running at 80%

    2- tank is 400G

    3-SPS dominated mixed reef. Added flow helped with detritus settling, algae buildup and in overall tank health.

    4-build thread :)

    5- Yes
     
  5. Seawitch

    Seawitch Water, water everywhere, Staff Member R2R Supporter R2R Excellence Award Partner Member 2019 R2R Secret Santa Build Thread Contributor Article Contributor Article Administrator

    Joined:
    Nov 3, 2018
    Messages:
    1,143
    Likes Received:
    2,884
    Location:
    Vancouver Island
    Anyone else want to add anything?
     
  6. Billldg

    Billldg Going off the reef end R2R Supporter R2R Excellence Award Partner Member 2019 Build Thread Contributor Hospitality Award

    Joined:
    May 14, 2018
    Messages:
    3,727
    Likes Received:
    17,049
    Location:
    Georgia
    1. Sicce 5.0 turnover roughly 700 gal an hour split thru 2 supplys, if I turn it up any higher my drains get to loud. I have 3 Innovative Marine DC power heads at 100 percent turning over between 6000 and 3000 gph. I do plan on adding a gyre 350 and removing 1 IM power head, for a max of almost 10000 gph turnover in the near future

    2. 120 gal DT

    3. I turned up the power heads because I am converting tank to a mixed reef tank with main emphasis on sps.

    4. Build thread, lol!:)

    5. Yes
     
    Last edited: Mar 15, 2019
    Seawitch likes this.
  7. mdbannister

    mdbannister Ahh...the Reef Life Staff Member Team R2R R2R Supporter R2R Excellence Award Photo of the Month Award Partner Member 2019 R2R Secret Santa Build Thread Contributor Article Contributor

    Joined:
    Nov 18, 2012
    Messages:
    23,954
    Likes Received:
    21,051
    Location:
    Ontario, California
    Are you asking about overall flow or just return pump turnover?

    1) In-tank is a Ecotech MP40 running at random flow up to 3200 gph. My return is about 400 GPH
    2) 50g cube
    3) Supposed to be SPS dominant...right now it's fish and aiptasia dominant. LOL
    5) All my fish and aiptasia are happy. :D
     
    JoshH and Seawitch like this.
  8. Jay Z

    Jay Z Active Member R2R Supporter

    Joined:
    Feb 16, 2019
    Messages:
    118
    Likes Received:
    151
    Location:
    Saint Clair shores
    325-350 on my return
    3 mp 10's 2 set at 55% in multiple modes through the day, 3rd set at 30% of main (behind rocks to keep back of tank clear)
    Per vortechs specs (if accurate), up to 1900 gal a hour, per how the 3 are setup now.
    Total max flow 2250, 3600 for clean up cycle 7 minutes.

    45 gal, 39 actual

    Tried to get the most flow without disturbing the tank or inhabitants.
    Mixed reef
     
    Seawitch likes this.
  9. Seawitch

    Seawitch Water, water everywhere, Staff Member R2R Supporter R2R Excellence Award Partner Member 2019 R2R Secret Santa Build Thread Contributor Article Contributor Article Administrator

    Joined:
    Nov 3, 2018
    Messages:
    1,143
    Likes Received:
    2,884
    Location:
    Vancouver Island

    Both. Because tank turnover means different things to different people. In my first post I said "how much water goes out and comes back in per hour + how much is just moving around or circulating but not necessarily going out and in = total turnover". Some people have no sump, so the number is strictly water moving around inside the aquarium.

    P.S. As long as your aiptasia are happy, then I'm happy.
     
    mdbannister likes this.
  10. Mortie31

    Mortie31 Well-Known Member R2R Supporter UK Reef Club Member Build Thread Contributor

    Joined:
    Apr 5, 2016
    Messages:
    952
    Likes Received:
    1,080
    Location:
    Uttoxeter. England
    1) what's your tank turnover (how much water goes out and comes back in per hour + how much is just moving around or circulating but not necessarily going out and in = total turnover)? 4000L return pumps + 30000 - 70000L/h tank circulation

    2) what's your size of display tank? 750L

    3) what have you got in the display tank that led you to decide on this particular turnover rate? SPS

    4) photos would be nice too....;)

    5) are your tank inhabitants doing well with this rate? Yes
     
    Seawitch likes this.
  11. Rybren

    Rybren Well-Known Member

    Joined:
    Jun 13, 2011
    Messages:
    947
    Likes Received:
    857
    Location:
    Ottawa, ON
    1. Return pump is rated at 1500gph, but I have no idea how much is making it to the DT.
    In tank circulation is provided by a 3000gph-ish gyre running between 10 and 50%, an MP40 on Reef Crest mode, and a Chinese DC-powered 3500gph wavemaker running at a max of 50%
    2. DT is a 4' 120G
    3. Dana Riddle says that you can almost never have too much flow :)
    4. No photos
    5. Everything seems to be thriving and loving it.
     
    Seawitch likes this.
  12. ca1ore

    ca1ore Valuable Member R2R Supporter CTARS Member R2R Excellence Award R2R TV Featured Reef Tank 365 Build Thread Contributor Article Contributor

    Joined:
    Oct 28, 2014
    Messages:
    6,185
    Likes Received:
    7,679
    Location:
    Stamford, CT
    Water passing through the tank overflow and through the sump is nominally 1,600 gallons per hour on a tank that holds 400 gallons (before displacement by rock, sand, etc). So about 4x. I’ve never been a massive flow-through-sump guy. Just seems like a good way to waste electricity, and I’ve never read a cogent argument for more. You want enough flow to maintain even temperature between display and sump and to affect proper surface skimming. Some will offer up the logic gem that it’s important to match turnover with skimmer processing - how that makes any kind of sense escapes me. My tank thrives at 4x.

    Internal display flow/surge is completely different. It can be easily accomplished with a wide array of highly efficient DC pumps. I’ve yet to reach the point where I’d judge my tank to have too much internal flow. No doubt that point CAN be reached; I just haven’t yet. In said 400 gallons I run four vortech MP60, one MP40, two ReefBreeders RP-M and an educated closed loop. Spitballing, somewhere in the 20 - 25,000 gallons per hour; so 50-60x.

    The only challenge with this much flow,is keeping the sand in place. I figure what works for beaches will work for me.
     
    Last edited: Mar 15, 2019
    Seawitch likes this.
  13. Pntbll687

    Pntbll687 Well-Known Member

    Joined:
    Oct 4, 2017
    Messages:
    610
    Likes Received:
    691
    I'm on the low end for turnover
    2400gph provided by 2-mag12 return pumps. With head loss probably around 2000gph.

    190g display tank. Works out to about 10x per hour. I have a deeper sand bed, and I'm sure it's packed with some detritus, but I can't get nitrates to test above 5ppm using multiple test kits. The tank gets feed frozen twice a day, and pellets three times a day, plus some extra flakes when my 2yr old son wants to feed the fish.

    I have a softy and lps tank. I started with a 6in toad stool in June and now it measures 14in across. It can't even open all the way because it is blocked by some rocks

    IMG_20190311_154555.jpg
     
    JoshH and Seawitch like this.
  14. Nurse Ned

    Nurse Ned The fish are staring at me with hungry eyes. R2R Supporter Build Thread Contributor

    Joined:
    Apr 11, 2018
    Messages:
    1,385
    Likes Received:
    4,078
    Location:
    Hurricane, WV
    I have a 75 gallon tank, 500gph goes through the sump
    I have 2 gyre pumps that run at 30, 40 or 50% depending on the time of day,

    I did some math and that works out to 15x at the lowest.
    22x at the highest

    It's the motion of the ocean that matters.
     
    Last edited: Mar 16, 2019
    Seawitch likes this.
  15. Seawitch

    Seawitch Water, water everywhere, Staff Member R2R Supporter R2R Excellence Award Partner Member 2019 R2R Secret Santa Build Thread Contributor Article Contributor Article Administrator

    Joined:
    Nov 3, 2018
    Messages:
    1,143
    Likes Received:
    2,884
    Location:
    Vancouver Island
    Anyone else want to chime in. Great feedback and numbers so far. Working on this article RIGHT NOW.
     
  16. Rybren

    Rybren Well-Known Member

    Joined:
    Jun 13, 2011
    Messages:
    947
    Likes Received:
    857
    Location:
    Ottawa, ON
    Here's the tank...

    FTS 15 Mar 19.jpeg
     
    Seawitch likes this.
  17. ca1ore

    ca1ore Valuable Member R2R Supporter CTARS Member R2R Excellence Award R2R TV Featured Reef Tank 365 Build Thread Contributor Article Contributor

    Joined:
    Oct 28, 2014
    Messages:
    6,185
    Likes Received:
    7,679
    Location:
    Stamford, CT
    Very cool!
     
  18. fabutahoun

    fabutahoun Angels and Acros R2R Supporter R2R Excellence Award Reef Spotlight Award Partner Member 2019 Reef Tank 365 Build Thread Contributor Article Contributor

    Joined:
    Sep 18, 2015
    Messages:
    2,008
    Likes Received:
    8,937
    Location:
    Riyadh Saudi Arabia
    1) what's your tank turnover (how much water goes out and comes back in per hour + how much is just moving around or circulating but not necessarily going out and in = total turnover)?
    From Return 3000 gph, around 10 - 11 X of display size goes to display and the rest in redirected to feed different reactors. There are 2 Apex Wav 2 X 4000 gph and 1 Gyre XF250 at 5300
    So total GPH (2000 from return + 13000 from wave makers ) = 15000 gph

    2) what's your size of display tank?
    180 Gallon

    3) what have you got in the display tank that led you to decide on this particular turnover rate?
    SPS corals

    4) photos would be nice too....;)
    [​IMG]
    [​IMG]
    [​IMG]
    [​IMG]
    [​IMG]
    [​IMG]
    [​IMG]



    5) are your tank inhabitants doing well with this rate?
    All is doing great, I may need to add another wave maker soon as corals grow.
     
    blackizzz likes this.
Draft saved Draft deleted

Share This Page

Loading...