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Type: Posts; User: Mud Crab

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    SIlver Dollars

    The silver dollars are about two inches long and dont bother the discus much. Although I must say recently that the discus are getting pretty p*ssed at them as the discus blow a jet of water out of...
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    Outdoor Solar Heater//Mech/Bio Filter

    Well, thuh rubbish dump provided for 99% of the parts of my home made system.
    Some pics below...
    I purchased teflon tape and other small things from the hardware shop which did not exceed twenty...
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    Sticky: Well, I couldnt resist....nice pic of sand. I was...

    Well, I couldnt resist....nice pic of sand. I was able to define well sorted and angular clasts of 90% at most quartz. I would side on 85% to be safe :wink: Judging by the iron staining on some...
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    Sticky: Testing your sand for undesirable nasties is...

    Testing your sand for undesirable nasties is quiet easy. One easy test for calcium content (which is the main one in topic at the moment) in a sand sample is to dose with about 10% diluted...
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    I am happy to say that my discus are now happy...

    I am happy to say that my discus are now happy little vegemites...an increase in temp to 30 degrees celcius, some added salt, no light turned on, eviction of other fish into another tank (the little...
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    Sticky: Just a pointer about sand raising pH. Sand is a...

    Just a pointer about sand raising pH. Sand is a general term used to describe the size of a weathered rock and generally also contains an accumulation of minerals that contain by nature an...
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    I am investigating the possibilty of using light...

    I am investigating the possibilty of using light spectrometry to determine water properties and element concentrations, thus avoiding messy chemicals and helping the colour blind who cant use too...
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    Sticky: Have to disagree with yuh on that point ("...most...

    Have to disagree with yuh on that point ("...most washed river sand are a quartz based product here in OZ..."). Anywhere there is a hill, mountain or exposed bedrock with a creek or similar passing...
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    Sticky: Chemistry must be right

    Being a geologist, I know quiet a bit of info about sands etc. Just some pointers to take into consideration:
    1) If the sand is poorly sorted (large and small grains), You probs need two seives. One...
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    Rubbish Dump Success

    :shock:

    Yup, Rubbish Dump :arrow: I just been to my local dump and picked up two water pumps used to pass water under pressure out of two seald 50 litre containers. Havent the chance to test them...
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    "When treating parasite disease, the free copper...

    "When treating parasite disease, the free copper level must be maintained between 0.15 - 0.20 mg/litre. If the concentration drops below this range it will not kill the parasites. If it rises above...
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    On the Improve

    Thanks for the advice peoples. It is true that conditions must be strictly met during a course of copper sulphate. Reason is alkalinity (not pH) must remain stable or toxicity will result. Also the...
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    I have since found the cure...

    Thanks for making the effort with some advice. I have since done a huge search on the internet and have managed to trace the breeder of the two discus I recently purchased. And I was right, it is a...
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    Parasites on my new Discus????

    I have just brought my first ever two discus for my dream four foot tank (I have allready written to santa asking for a six footer ). The problem I have is that on their first night home, i noticed...
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