Water!!!!!

Discussion in 'Tank Talk' started by nini, Jul 20, 2006.

  1. nini

    nini Wonderpus Registered

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    :confused: should the octos water be set to the numbers for each thing (such as ammonia 0 ppm) said below, in other words are the amounts below correct???
    Ammonia 0 ppm
    Nitrite 0 ppm
    Nitrate 0-5 ppm
    Phosphate 0.09ppm tested with highly accurate Merck kit
    pH 8.0
    KH 12
    S.G. 1.025
    Oxygen 90%+ of Saturation level
    Temperature stable at 25°C
    Redox -100, Minus figure is required for correct functioning of the nitrate reactor.
     
  2. DHyslop

    DHyslop Architeuthis Supporter

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    Don't ask us: Before you can cope with the challenges of keeping an aquarium, you should know what each of those is and understand why each value is what it is.

    Other than redox, that is. You shouldn't have to worry about that until college :)

    Dan
     
  3. nini

    nini Wonderpus Registered

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    thats why im asking u so that i know!!!!!! so please anserw my question.
    Thanks :)
    tiffany
     
  4. tonmo

    tonmo Titanites Staff Member Webmaster Moderator

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    Dan, this is a perfectly good place to ask such questions! This is not an "experts only" forum.

    To illustrate the point, I'll not provide nini with any guidance since I have no idea what the answer is. :wink:

    Can anyone provide some answers here? Thanks -
     
  5. Akyu

    Akyu GPO Supporter

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    Hope this helps

    Nini, we might as well learn together here... I'm a beginner too.

    Let's start with pH. pH stands for the power of Hydrogen, which basically means it is a measurement of the acidity and alkalinity levels. I'm going to quote from About.com here.
    Therefore, your pH level is right in the middle. I've been told that between 8.0-8.4 was good but someone may correct me here.

    Decaying matter, waste from creatures in your tank, excess food, as well as water pumped through fish gills will add to ammonia in your tank. Everyone recommends that ammonia levels be zero in the tank because ammonia becomes toxic (poisonous) very quickly, especially in a saltwater environment. So CONGRATS! :rainbow: You have the right amount of ammonia in your tank - zero!

    Since your ammonia, nitrite and nitrate levels are zero or near zero, you've gone through nitrogen cycling in your tank already, I presume. The nitrogen cycling process is the way to make your tank into a little ecosystem. Good job! You're doing much better than I did, when I got my octopus.

    During the cycling of your tank, the ammonia will get transformed into nitrite by bacteria, which can be again toxic to creatures in your tank. But again, great! Your levels are zero.

    Nitrite was needed to start off the 3rd part of the cycle. Nitrobacters are bacteria that feed on Nitrite and their waste produces Nitrate. You need nitrobacters in your tank to help get rid of the "bio-load" which are the things that create ammonia. See the cycle?

    You basically want to grow this bacteria so the waste in your tank won't decompose and become ammonia. But to grow this bacteria, you needed to make your tank poisonous for a little while. So your levels are saying, you've finished the first poisonous stage (ammonia = 0), and the 2nd poisonous stage (nitrite = 0), and you are well into your third stage (nitrate = 0-5ppm).

    That's about all I know. I'll do a little more research over the next few days about your other parameters and see if I can come up with some more help for you.

    Hopefully, somebody with a lot more experience than I do (I've only been doing this for less than 6 months) can help you out with the rest of the information.

    :smile:
     
  6. cuttlegirl

    cuttlegirl Colossal Squid Supporter Registered

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    Nini,

    What is your tank set up? You have a 55 gallon. Do you have live rock, any animals in your tank?
     
  7. Nancy

    Nancy Titanites Staff Member Moderator

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    A lot of the information you need is already in the Ceph Care articles.
    This is from Colin's article, Keeping Cephalopods in Captivity, which you will find in our Ceph Care articles:

    2. Water Parameters and Quality

    Cephalopods have soft bodies and are essentially naked (except the nautilus that has an external shell). They have a huge surface area and therefore are very sensitive to water quality and pollutants like ammonia and nitrite, which should all be kept at zero. Nitrates seem to be tolerated to 50 - 100ppm with no apparent ill effects.
    Copper is lethal and should be tested for before the octopus is added to an aquarium. Treat them like all other invertebrates in this respect.....

    Salinity is the other water quality parameter that must be controlled carefully. It is of paramount importance that the octopus aquarium has full strength seawater. Aim for 1.026 at all times, a lower salinity will kill them. ....

    PH must be kept between 8 and 8.4 and it is always worthwhile to do a 25% water change on a fortnightly basis. Remember they do produce a lot of waste!


    These are the parameters you need to test for: salinity and PH, nitrites, nitrates and ammonia.

    Some of those other parameters you mention are of more concern for reefkeepers.

    Temperature will depend on the species you're keeping.

    Do you have a nitrate reactor, nini?

    Nancy
     
  8. Illithid

    Illithid Vampyroteuthis Supporter

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    Ammonia 0 ppm - Good keep it here, if it goes any higher it means that your filter is not capable of handling the bio load put on it. It also means to watch for a Nitrite spike in a couple of days. Nitrite is even more lethal to cephs that ammonia.

    Nitrite 0 ppm - Good again. Stage 2 of the nitrogen cycle needs to be zero.

    Nitrate 0-5 ppm Good, but will rise as the filter processes waste material, and is lowered by water changes and denitrators. Nitrate amounts are decreased by use of a protein skimmer.

    Phosphate 0.09ppm tested with highly accurate Merck kit - This is a helper with nitrates to make the algae blooms in your tank. Doesn't really effect ceph husbandry.

    pH 8.0 -should be a little higher for standard reef keeping like was said before, but you aren't reef keeping.

    KH 12 -Carbonate Hardness of water. Used to measure amount of usable calcium for stony corals and clams. Not needed for octos.

    S.G. 1.025 -shoot for 1.026, but this will change with evaporation, skimmer production, etc.

    Oxygen 90%+ of Saturation level - Keep oxygen as high as possible with a protein skimmer and good water movment. I don't have a test for this in my own setup, but if you have the test-more power to 'ya. More oxygen and flow the better.

    Temperature stable at 25°C - 77 deg F is okay for tropical cephs, temperate need lower.

    Redox -100, Minus figure is required for correct functioning of the nitrate reactor.- the technical version is "The redox potential of an aquarium is a measure of the aquarium water's ability to cleanse itself."- I understand it to mean you use that number with ozone to be sure you don't kill everything in the tank while you are trying to help it. I don't know if that number is good or bad.

    Just my 2 cents...
     
  9. nini

    nini Wonderpus Registered

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    thanks for the advice =) as far as my tank set up, i dont have anything but 10 galllons of water in it but im going to be adding live sand and live rock. whats a nitrate reactor? i prolly need to get one. and how often do i need to change the water?
    thanks alot!
    Tiffany
     
  10. nini

    nini Wonderpus Registered

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    oh and just so there is no confusion the amounts ph,nitrite,amonia, and all of those arent my amonts, they are just amounts that i wanted to make sure were correct for my aquireum once i got it up and running. i dont even have all 55gallons in the tank yet :/
     
  11. tonmo

    tonmo Titanites Staff Member Webmaster Moderator

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    nini -- you've gotten a lot of great advice here, not the least of which is the suggestion to read the articles in our [URL2="http://www.tonmo.com/cephcare/cephcarejump.php"]Ceph Articles[/URL2] section. Read thoroughly -- many of your questions will be answered!
     
  12. nini

    nini Wonderpus Registered

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    ok thanks so much!!!
     
  13. Colin

    Colin Colossal Squid Supporter

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    ReDox potential of water...

    By measuring the ReDox potential of aquarium water you can get a good indication of whether or not everything is okay in your tank. As Ilithid said, it is basically the value of how clean the tank is. The higher the ReDox reading the better.

    A high ReDox figure will normally cut down on the amount of bacteria in a tank and discourage problem brown algaes.

    ReDox stands for REDuction and OXidation

    waste produced from fish and other organic materials are reductive and will decrease the figures

    Oxygen and ozone are oxidising agents and will increase the figures.

    By using a ReDox meter you want to measure the tank in millivolts and it should be about 350 - 400mv. Most people can only get their tanks that high by using ozone. Normally an ozonator is plugged into the skimmer but be careful as ozone in large doses can be lethal to aquarium life (and us)

    A nitrate filter is a waste of time in a ceph tank as they are just too messy for all but the largest nitrate filters to cope with. A nitrate filter will use anaerobic bacteria in its chamber to break down nitrate into nitrogen.

    As it needs bacteria to live inside it the ReDox mv reading has to be low so that's why it is normally set at minus figures. Anaerobic means without oxygen and keeping those conditions is one of the tricky things about nitrate filters

    To do all this properly will cost a couple hundred dollars and isn't worth it at this stage!
     
  14. oceanbound

    oceanbound O. bimaculoides Registered

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    pH stands for POTENTIAL of hydrogen not Power of hydrogen
     
  15. monty

    monty Colossal Squid Staff Member Supporter

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    according to wikipedia:

    which sounds like an explanation of why I was never sure of what pH stood for... shrug.
     

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