what is a saltwater why is it so quick to chage

Discussion in 'New To The Hobby' started by djnzlab1, Jun 6, 2007.

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  1. djnzlab1

    djnzlab1 Aiptasia Anemone

    Joined:
    Dec 15, 2006
    Messages:
    567
    Location:
    Va Beach, Va
    saltwater why is it so quick to change or crash

    HI,
    I am constantly trying to not kill my critters, two things that often get overlooked during that learning curve any of you taken basic chem may have heard of this term its a supersaturation.
    Here's a wiki definition for you who missed the chem stuff.

    Supersaturation - Wikipedia, the free encyclopedia

    many of the elements in saltwater are at the thresh hold of a supersaturation and will only stay in solution if you keep it pretty well balanced ,the bad new is this coral, algae, inverts don't seem to utilize CA, MAG, KH at the same rate and the same system to system, so you are walking barefoot on broken glass trying not to upset the balance.
    All newbies need to understand that change must be done very slow,things may take 24 hours to move up or down so adding more will over shoot, only move KH 1-2 points max. PH can be very unpredicatable so I tend to only watch KH and not worry to much about PH>
    If your CA is High your MAG is low and your KH is pushing the limits you are at a supersaturation of CA at those levels and you will have a precip of Ca carbonate and it will fall like a rock using up your mag and the chain reaction has to run its course any drastic attempts to fix this will only continue the precip event.
    Please read this article if your new it may prevent a disaster like I had, and save a few inverts lifes.
    #1
    Calcium and Alkalinity by Randy Holmes-Farley - Reefkeeping.com
    #2
    When Do Calcium and Alkalinity Demand Not Exactly Balance? by Randy Holmes-Farley - Reefkeeping.com
    #3
    A Simplified Guide to the Relationship Between Calcium, Alkalinity, Magnesium and pH by Randy Holmes-Farley - Reefkeeping.com

    IF I had read those three articles I would have saved alot of money using Kits to monitor KH,Phos,MG. Animals cost way more than test kits.I never had a problem with Ammonia,Nitrate, or other nasties cause of my DSB and skimmers,reforguims All though the water changes help if your not testing you may be only slightly adjusting or diluting your problem and it may contine to degrade with time. It may be perfect when you set up but that CA/ and mag go south pretty fast with algae, coraline and replacing with fresh synthetic may not keep up,
    A newbie who learned thru that hardnock method..The pain of High mortality in you tanks its pretty bad when things go south and your favorite critter expire after having it a few weeks..
    Doug

    ps I now keep a saltwater diary and only attempt to adjust when things are below normal sea water CA 400, maG 1200, aND THAT KH, kALKWASSER is a good way to add Ca But it can spike the KH if your not real careful to avoid any of the precip in the solution ,it can spike the KH to over 20 ,most siphon off the clear liquid and add very slowly either by pumps or drip at night when the PH is at its lowest, but check your KH in teh AM if its High the next day and CA is stil below 400 I use only CA-CL powder no buffer go slow it can spike real fast pref mix in ro and add slowly to sump , that way you don't keep adding the the KH problem. KH starts the cascade and low mag will allow it to run wild. the buffer side of the equation , never is a problem in my systems its mostly CA & Mag,
    I find weekly to every 2 weeks is more than enough testing and the CA, mag, KH seem to stay put try avoid tinkering just cause you can its not a good thing and any movement up or down seems to bother inverts..One thing that works for me if the anomone and the hermits are perky life is good if the ananome are shrinking most likely water quality is down, if I turn off my powerheads marineland filters and returns to adjust skimmer, and clean, for 20 mins they start to shrink, many they are touche. yikes
     
    Last edited: Jun 8, 2007
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  3. mattgeezer

    mattgeezer Montipora Capricornis

    Joined:
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    Location:
    Sydney, Australia
    Three of the most valuable things i was told by an experienced aquarist when i started ..was research everything you want to do first . keep a diary on what you are doing so if anything fails you can recall the parameter level or see what could of caused it . and test the water to make sure those parameters stay in check.It wasnt until a good 6 months when i started to understand how the chemistry in the tank works and see how it all comes together and what happens when levels start going all over the shop. I never would of thought at the start that our hobby was this trivial in a way for chemistry etc LOL
    The most valuable thing IMO is asking questions and reading for success.

    I have a friend that has always loved my tank and has only a few months ago started one (6 months) ..But being slightly arrogant he feels that why the need for all this and he is currently having issues as he has had GOLDFISH and apparently they are the same as keeping a reef tank :eek: , so you just put a heap in and wait ie: he 1/2 cycled and then put allsorts of things in the "chamber of death" (is what i call his tank) and he had a mass off blobbed out coral , dead fish and a empty wallet! (nothing that i could save)

    So now he has started to research a little and has read a couple of those articles you have linked djnzlab1 and they are really informative. and have simplified the understanding of alkalinity for a begginer cheers ...have some karma+1
     
  4. target001

    target001 Skunk Shrimp

    Joined:
    May 31, 2007
    Messages:
    293
    Location:
    South Australia
    good post , handy to know how everything works
    i think being a noobie to this my self its not that im so much arrogant more so uneducated its very hard to understand how the water lvls change untill u see it happening and work out how to fix it.
    i to made what u would call a "chamber of death":p but mine hasnt all died off but i shoulda learnt more about the chemistry in my tank befoer i added "1 of everything".
    in the same situation as yer friend im nearly 6 months into it and im researching like hell to make this work, because the book made it look easy and im shore it is if u been doin it for a few years, but the chemicals are a hard thing to understand when yer a noobie im shore ive had it explained to me over n over how they work, but im shore in time ill learn how to manipulate the water to get the lvls right.

    -jamie
     
  5. djnzlab1

    djnzlab1 Aiptasia Anemone

    Joined:
    Dec 15, 2006
    Messages:
    567
    Location:
    Va Beach, Va
    Thoses books can be a bit off

    HI,
    I have your typical LPS book that was written when I was I high school, I think they market them based on pretty pictures that ohh wow effect most newbies get.
    The down is it reccomends things like Under gravel filters, and dose'n talk about water conditions and Buffers, Its really pretty worthless, most of the meds are copper based, and all the animals were live trapped.
    Hehe pretty lame.
    So I now recomend this forum and another for newbies to use, let the LPS find another way to steal your money.
    Doug