Poll: Alkalinity

Discussion in 'Reef Aquarium Discussion' started by UCF Alum, Aug 24, 2018.

?
  1. x < 7

  2. 7 - 8

  3. 8 - 9

  4. 9 -10

  5. 10 - 11

  6. 11+

Results are only viewable after voting.
  1. UCF Alum

    UCF Alum Active Member Build Thread Contributor

    Joined:
    Oct 7, 2017
    Messages:
    187
    Likes Received:
    131
    Location:
    Central Florida
    So I’ve created a thread and I’d like to hear your thoughts and experiences with alkalinity. My tank is about 5 months old. I initially started running alk at 7.5-8, dosing ever hour. My LPS and softies looked good. I decided to increase the alk slightly and am now running 9.8. My LPS has never looked better. More polyp extension and my acans, blastos and lobos are puffier than ever. I plan on making this tank primarily a SPS tank here soon and I know I’ll have to lower my alk, but for now I’m loving the way the everything looks.

    What are your thoughts and experiences with alkalinity and polyp extension?
     
    Tags:

  2. Crabs Mcjones

    Crabs Mcjones Millepora Maniac Mayor of R2R Staff Member Team R2R R2R Supporter R2R Excellence Award Partner Member 2019 R2R Secret Santa Reef Tank 365 Build Thread Contributor Article Contributor Hospitality Award

    Joined:
    Jul 24, 2017
    Messages:
    14,960
    Likes Received:
    53,366
    Location:
    Fond du Lac, Wisconsin
    I keep mine at around 8.5 and everything is thriving, my sps are growing like weeds :)
     
  3. Huff747

    Huff747 Well-Known Member R2R Supporter Partner Member 2019 Build Thread Contributor

    Joined:
    Jul 18, 2017
    Messages:
    512
    Likes Received:
    390
    Location:
    Glen Carbon, IL
    I have 2 tanks currently, one of them runs ~8.5 and the other runs ~7.5. The corals in the 7.5 seem to be growing better/faster than the 8.5 but the 8.5 is doing well. They also have different lights and flow so I don't know whether to chalk it up to the alk alone or a combination of everything.
     
  4. mclark452

    mclark452 Member Partner Member 2019

    Joined:
    May 27, 2015
    Messages:
    55
    Likes Received:
    58
    Location:
    Cypress, TX
    Mine stays around 8.2 to 8.4 most of the time. Occasionally it will dip to 7.8 if I don't pay attention. I try to test every morning and every evening....at least in my main display. Once every day or two in my frag system. Man, I can't wait for the Trident to come out
     
  5. UCF Alum

    UCF Alum Active Member Build Thread Contributor

    Joined:
    Oct 7, 2017
    Messages:
    187
    Likes Received:
    131
    Location:
    Central Florida
    Amen brother.
     
    Phelipe's Ocean likes this.
  6. chipmunkofdoom2

    chipmunkofdoom2 Always Making Something R2R Supporter R2R Excellence Award Reef Squad Article Contributor

    Joined:
    Jun 6, 2017
    Messages:
    1,823
    Likes Received:
    3,327
    Location:
    Baltimore, MD
    I think you'll find it much more common to run lower alkalinity these days (7 dKh - 9 dKh).

    Historically, it appears that many reefers ran higher alkalinity. A while ago, I looked at the historical tank data from the Tanks of the Month at Reefkeeping.com. In 2006, for example, no TOTM had an alkalinity <= 7 dKh and only 17% had alkalinity <= 8 dKh. In 2015, 30% of the tanks had alkalinity <= 7 dKh, and 70% had alkalinity <= 8 dKh.

    EDIT: This chart actually shows the weighting a little better. The 2015 tanks are heavily weighted to the lower end of the dKh scale, while the 2006 tanks have more representation in the higher ranges.

    totm2.PNG
     
    Last edited: Aug 24, 2018
  7. cracker

    cracker Valuable Member R2R Supporter R2R Excellence Award Build Thread Contributor

    Joined:
    Dec 11, 2014
    Messages:
    5,642
    Likes Received:
    9,519
    Location:
    north east Fl
    I try to keep mine in the high 7's low 8's . Never really knew what was best .
    thanks for this poll would be good to see what is the most common .
     
  8. dbl

    dbl It Takes Less Energy to be Nice Staff Member Team R2R R2R Supporter R2R Excellence Award Reef Squad Leader Partner Member 2019 Reef Tank 365 Build Thread Contributor Article Contributor Hospitality Award

    Joined:
    Mar 13, 2014
    Messages:
    10,689
    Likes Received:
    38,090
    Location:
    SW Florida
    A little off topic, but I just noticed your username. Although I didn't go there, a bunch of my money did - two daughters are UCF Alums!
     
  9. chipmunkofdoom2

    chipmunkofdoom2 Always Making Something R2R Supporter R2R Excellence Award Reef Squad Article Contributor

    Joined:
    Jun 6, 2017
    Messages:
    1,823
    Likes Received:
    3,327
    Location:
    Baltimore, MD
    LOL!
     
  10. Phelipe's Ocean

    Phelipe's Ocean Well-Known Member

    Joined:
    Sep 11, 2017
    Messages:
    696
    Likes Received:
    855
    I run my Alk at 8.5 but I want to expirement with pushing it to 12 range
     
    Crabs Mcjones likes this.
  11. UCF Alum

    UCF Alum Active Member Build Thread Contributor

    Joined:
    Oct 7, 2017
    Messages:
    187
    Likes Received:
    131
    Location:
    Central Florida
    That’s my alma mater! I think my parents would tell you the same thing.....
    a bunch of their money went there 20 years ago!

    Thanks for chiming in.
     
    dbl likes this.
  12. BestMomEver

    BestMomEver Valuable Member R2R Supporter Partner Member 2019

    Joined:
    May 8, 2018
    Messages:
    1,046
    Likes Received:
    1,372
    Location:
    Lower Alabama
    Keeping parameters up is a constant struggle for me. I hooked up a dosing pump a week or so ago and added a CO2 scrubber a few days ago. This morning alkalinity is 8.5.
     
    cracker likes this.
  13. SteadyC

    SteadyC Active Member

    Joined:
    Jun 9, 2015
    Messages:
    300
    Likes Received:
    214
    I believe there is a correlation between alk, nutrients, and lighting. If your nutrients are low, I’d run a lower alk, 7-8. If you have higher nutrients I’d run alk 8-9. Same with lighting, if you have lower nutrients and alk, you should run lower lights. Lots of research has led me here. I wouldn’t just lower or raise one piece of chemistry without considering the others.
     
    goodefx, BluewaterLa, bobbyM and 5 others like this.
  14. IslandLifeReef

    IslandLifeReef Well-Known Member Hospitality Award

    Joined:
    Jul 25, 2017
    Messages:
    779
    Likes Received:
    2,175
    I agree. There are other factors to consider with ALK. I also try to keep mine at the same level as the salt mix used for water changes. I keep mine in the 7.5 - 8.0 range now. I also think that keeping you ALK on the lower end of your desired range is safer than the higher end. I read a lot more posts of people having issues with corals being damaged from ALK being to high than from ALK being a little low. I am willing to have slower growth as long as everything stays healthy.
     
  15. AJsTank

    AJsTank Well-Known Member Build Thread Contributor

    Joined:
    Apr 2, 2013
    Messages:
    600
    Likes Received:
    348
    Location:
    Centerville, Utah
    I have Radion Gen 4 pros on my 400. The growth was how I expected it to be for the first year or 2. I bumped my alk from 8.5 to 10.5 over 6 months and man, it's rockin now. My SPS grows 2-3X's faster. I get that there are a lot more variables here in play, like being an older mature tank, but I've always felt this was one of the big factors to my growth change over the last couple years.
     
    norfolkgarden likes this.
  16. UCF Alum

    UCF Alum Active Member Build Thread Contributor

    Joined:
    Oct 7, 2017
    Messages:
    187
    Likes Received:
    131
    Location:
    Central Florida
    I’m curious to the 14 who said they run their alk below 7.

    If you’re on here reading this, what are you methods and why do you run so low?
     
    Dennis McGrath likes this.
  17. CherBear811

    CherBear811 Active Member

    Joined:
    Oct 19, 2013
    Messages:
    136
    Likes Received:
    55
    Location:
    Kearney, NE
    Curious, what does your Ca and pH run on each tank as well, and what are the different lights?
     
  18. Huff747

    Huff747 Well-Known Member R2R Supporter Partner Member 2019 Build Thread Contributor

    Joined:
    Jul 18, 2017
    Messages:
    512
    Likes Received:
    390
    Location:
    Glen Carbon, IL
    Both tanks run Kalkwasser in the ATO. I don't test Ca as often as Alk but here's a summary from my Apex.

    Tank 1 - 6ft 125 gallon
    Ca for the last month
    -Min 428
    -Max 465
    -Avg 440

    Alk for the last month
    -Min 6.89
    -Max 7.78
    -Avg 7.44

    pH for the last week
    -Min 8.02
    -Max 8.27
    -Avg 8.15

    Lights - 3x Radion XR15 Gen 4 Pro
    Flow - 1x MP40 on one side, 2x MP10 on the back


    Tank 2 - 40 gallon breeder
    Ca for the last month
    -Min 447
    -Max 452
    -Avg 448

    Alk for the last month
    -Min 8.4
    -Max 9.02
    -Avg 8.67

    pH for the last week
    -Min 7.66
    -Max 7.88
    -Avg 7.77

    Lights - 2x Kessil 360
    Flow - 2x MP10, one on each side

    I suppose it could be pH. Tank 2 is on the main floor and I can't keep the pH up while running the air conditioner. And this year we started having to run the air in probably April and it hasn't stopped since. When the weather is nice and I can open the windows and all of last winter while running the furnace the pH was generally closer to 8, but even last winter when pH was higher it didn't seem to grow as fast as the basement tank seems to be. Tank 1 is in the basement and the pH runs higher which doesn't make a lot of sense to me. That tank has only been up since April/May so don't know what the pH looks like with the furnace running yet.
     
    Last edited: Aug 27, 2018
    CherBear811 likes this.
  19. Da Ghost

    Da Ghost Active Member

    Joined:
    Nov 13, 2017
    Messages:
    160
    Likes Received:
    137
    Location:
    Norhern, VA. Reach Out
    Currently running between 7.5-8.0. BUT at the time my nutrients were much lower at .05 they are now pushing .16 (removed filter socks) waiting for that number to stabilize before I take any additional actions. I also lowered my intensity on Radions and I am noticing better faster encrusting. I have been considering allowing my ALk to float up to 8.5 but don't think I will ever go past that. I have always had HIGH flow.

    I agree there is a lot that goes into coral growth and health. I have read articles about growing corals tooo fast being unhealthy so I am trying to find that healthy balance. I have no intention (YET) of selling so I am not pressured to grow fast, but I am sure in time that could change in time. For me, I am looking for good growth, good color and a overall healthy system. Just enjoying sharing this ever-changing hobby with my girls and you guys.
     
    Dennis McGrath likes this.
  20. samnaz

    samnaz Earthling R2R Supporter R2R Excellence Award Build Thread Contributor

    Joined:
    Dec 30, 2016
    Messages:
    1,566
    Likes Received:
    2,307
    Location:
    Ann Arbor
    How about idk...
     
    trido likes this.
Draft saved Draft deleted

Share This Page

Loading...