This site is supported by the advertisements on it, please disable your AdBlocker so we can continue to provide you with the quality content you expect.
  1. We are after as many aquarium plant images that we can get, doing so will assist us in completing the aquarium plant database.

    https://barrreport.com/threads/aquatic-plant-images-wanted.14374/
    Dismiss Notice

Macro Solution Question (magnesium)

Discussion in 'General Plant Topics' started by yusuf saraç, Jun 18, 2018.

  1. yusuf saraç

    yusuf saraç New Member

    Joined:
    Dec 26, 2017
    Messages:
    22
    Likes Received:
    1
    Local Time:
    12:27 PM
    I'm using a macro solution prepared / calculated with dry ferts ( kno3 as nitrate, Kh2pO4 as phosphate, k2s04 as potasium) My question is, Can just add MgSO4 as well to this mixture and dose magnesium as well ?
     
  2. Phishless

    Phishless Lifetime Member
    Lifetime Member

    Joined:
    Jul 13, 2017
    Messages:
    1,116
    Likes Received:
    969
    Local Time:
    5:27 AM
    It can be added to that solution.
     
  3. Stan510

    Stan510 Member

    Joined:
    Nov 28, 2019
    Messages:
    163
    Likes Received:
    8
    Local Time:
    2:27 AM
    Lets break it down to English;)..how much Mag salt per gallon? Roughly...or better,per 50 gallons? I noticed over the years that with large aquariums...the per gallon goes farther on less. Less,than what would be used in a 10 or 20 gallon.
     
  4. Stan510

    Stan510 Member

    Joined:
    Nov 28, 2019
    Messages:
    163
    Likes Received:
    8
    Local Time:
    2:27 AM
    Ah jeez.again I forgot they invented google. One website by a college said one ounce of epsom salts per 1,000- 1,500 gallons would be enough for a aquaponic/hydroponic systems plants. That breaks down to two mere teaspoons for the 240 gallon tank. Seems very little...but also sounds very safe.
    It's been done and we will see in a few days or week if anything has changed.

    https://university.upstartfarmers.com/blog/effectively-balance-magnesium-in-aquaponics
     
  5. Phishless

    Phishless Lifetime Member
    Lifetime Member

    Joined:
    Jul 13, 2017
    Messages:
    1,116
    Likes Received:
    969
    Local Time:
    5:27 AM
    Your two teaspoons of MgSO4.7H2O (magnesium sulfate heptahydrate "the English part") will provide this in 240 gallons:
    dGH 0.25544429
    Mg 1.107143603 ppm
    S 1.4606732 ppm
    So 1ppm against how much Ca is in your water? This is a very low amount. What is the dGH of your tank?
    Lots of people target a ratio of Ca:Mg, usually 4:1 or 3:1

    If you test for Ca here is an equation to determine Mg.
    ((17.86 x dGH) - (2.5 x Ca ppm)) / 4.1 = Mg ppm

    Sounds very safe? Is there a fear of something?
     
  6. Stan510

    Stan510 Member

    Joined:
    Nov 28, 2019
    Messages:
    163
    Likes Received:
    8
    Local Time:
    2:27 AM
    Anything metallic sounding or tasting as epsom salts do, makes me worried never having used in aquariums. I have to get back to you on the stats tomorrow or you can look up Hayward Ca water system and tell me what you think of the mix? Iron,Ca, PH. I've look at it before...they even do it by summer and winter ratios. Thanks.
    One more.What do you think of the college blog advice ?
     
    Phishless likes this.
  7. Phishless

    Phishless Lifetime Member
    Lifetime Member

    Joined:
    Jul 13, 2017
    Messages:
    1,116
    Likes Received:
    969
    Local Time:
    5:27 AM
    I didn't even read it! :(
    I have college kids @ work and they all have T-Rex syndrome! :D Big arse and short arms!!!
    Don't trust them since they have experienced nothing! o_O

    I am interested in the Hayward Ca stats though!
     
  8. Stan510

    Stan510 Member

    Joined:
    Nov 28, 2019
    Messages:
    163
    Likes Received:
    8
    Local Time:
    2:27 AM
    Take a look..only you would know what to look for. So,are you saying that in my "teaspoon" way,to use 8 teaspoons not 2?..even 8 sounds ok. I expected originally it would be like a cup!...so a dosing newby am I. EVERYTHING ELSE about me is old
     
    Phishless likes this.
  9. Phishless

    Phishless Lifetime Member
    Lifetime Member

    Joined:
    Jul 13, 2017
    Messages:
    1,116
    Likes Received:
    969
    Local Time:
    5:27 AM
    I am old too!
     
  10. Stan510

    Stan510 Member

    Joined:
    Nov 28, 2019
    Messages:
    163
    Likes Received:
    8
    Local Time:
    2:27 AM
    #10 Stan510, Jan 2, 2020
    Last edited: Jan 2, 2020
Loading...

Share This Page

  1. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
    By continuing to use this site, you are consenting to our use of cookies.
    Dismiss Notice