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    How can I tell if it's safe to put new fish in my tank?

    Hello again I've been working a lot the last few days so I don't know if anyone is still following this thread, but I'll keep going just in case. I finally got a response from the water company. They sent me test results for the last six months. There are over 50 parameters, some chemical and...
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    How can I tell if it's safe to put new fish in my tank?

    Yeah, I did the shaking thing, but it doesn't help. I don't really understand. After all this time, with fish in, i would have thought it should have cycled, but it has never spiked. I was expecting to see a rise in ammonia, followed by a rise in nitrite and then a rise in nitrate. I have...
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    How can I tell if it's safe to put new fish in my tank?

    Hi, and thanks My tank is a 125 litre Juwel Rio (I think this is about 33 US gallons). I unfortunately followed the manufacturers instructions and attempted a fish-in cycle, using 8 zebra danios. I had some problems at the beginning with fish getting trapped between the filter and the glass, so...
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    UK?

    Oh, Okay, thanks
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    How can I tell if it's safe to put new fish in my tank?

    Hi It's funny, I wasn't worrying about it until today!!:banghead: I have no idea what's going on with my aquarium. I can only assume something is disrupting the bacteria in the water, because it just won't cycle. Two different lfs have told me not to worry about it. One of them said, it...
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    UK?

    Hi What do you do to combat the soft water? My pH is also 7.4, but I have no idea about phosphates. How do you know what level there is and what should it be?
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    How can I tell if it's safe to put new fish in my tank?

    Hi again No that's the maximum for chloride, not chlorine (whatever that means :blink:). I found another of the Water Company's leaflets that indicates that chlorine and chloramines will be harmful to fish, but states that products for removing these should work. I asked the girl in...
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    UK?

    Hi, I'm from Stirlingshire, Scotland. Just found this part of the site. Does anyone have problems with tap water in the UK? The water here in Stirling is very soft. I'm new to this and not sure what to do.
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    How can I tell if it's safe to put new fish in my tank?

    Hi again Well I checked the pH of the tap water after leaving it overnight and it is 6.8. I'm slightly confused about the pH of the water in the tank because if I use the normal pH test it shows the highest level (7.6), but on the high pH scale it reads the lowest level (7.4), but I guess it...
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    How can I tell if it's safe to put new fish in my tank?

    Thank you both. I will have to wait a while until my tank has cycled properly, so by then if my current fish are still alive, I guess i can assume the water is ok. I'm totally confused as to why my water chemistry isn't changing. I have 12 (albeit small) fish in a 125 litre (33 US gallon) tank...
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    How can I tell if it's safe to put new fish in my tank?

    I do understand that there are microorganisms everywhere and of course I know that broad spectrum antibiotics will destroy all the beneficial stuff too (even although I don't seem to have any yet). I just wondered whether there was a time frame within which you would not add fish, in case there...
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    How can I tell if it's safe to put new fish in my tank?

    Hi No, I didn't have any spikes. I check the water at least once a day (pH, Ammonia, Nitrites and Nitrites). Tank has been set up since April 1st. You could be right about being in the midst of a fish-in cycle. My local aquarium retailer suggested i had had a 'stealth cycle'. I made other posts...
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    How can I tell if it's safe to put new fish in my tank?

    I recently added six cardinal tetras to my aquarium. Unfortunately, within two days three of them had died along with two of my zebra danios that were already in the tank. I don't know why they died, but my water chemistry was ok, so I guess it must have been some sort of disease brought in with...
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    What is a stealth cycle and did my tank do this?

    Ok, now I'm totally confused. I tried using this website to help me with stocking advice AqAdvisor - Intelligent Freshwater Tropical Fish Aquarium Stocking Calculator and Aquarium Tank/Filter Advisor. It has an online interactive stocking advisor. You just put in your tank, filter and fish...
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    What is a stealth cycle and did my tank do this?

    I didn't realise I was overstocked. I have 125 litre tank with twelve small fish in it. and they weren't all added at the same time. Do you mean overstocked for this stage in the cycle, or overstocked in general? Wouldn't my ammonia readings be higher if I had a stocking issue? The tank is a...
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    What is a stealth cycle and did my tank do this?

    Hi there I live in the Scottish Highlands so the water quality is pretty good. No nitrate, nitrate or ammonia, but it is very soft. Also pH is 6.5. (but 7 in the aquarium) I'm using the nutrafin liquid test kit for everything except ammonia (used that one up so changed to API).
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    What is a stealth cycle and did my tank do this?

    8 zebra danios, and only synthetic plants at the beginning, until i got the first nitrate reading. Tank contents has changed now. I lost 4 zebra danio because they got trapped between the filter casing and the glass. Rearranged the gravel to prevent them getting access. I then added 6 silvertip...
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    What is a stealth cycle and did my tank do this?

    No, I didn't dose with ammonia. I had fish in it.
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    What is a stealth cycle and did my tank do this?

    Hi I've had a 125 litre tank since 1 April 2012. I did a fish-in cycle. It took a couple of weeks before I could detect anything in the tank. Eventually I had 0.5ppm ammonia, but it never got any higher. For the last three weeks the readings have been been fairly static at NH3 = 0.25 NO2 =...
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    New Quarantine Tank

    Mr. Waffles Gosh, I'm still new to this and it seems to get more and more complicated. My main tank is a Juwel Rio (125 litres) with a juwel bioflow 3.0 filter, and the quarantine tank is a AquaElPearl 40 (only 30 litres) It has a powerhead 350 filter.
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    New Quarantine Tank

    Sounds like a good idea, and I'm not in any hurry to buy new fish anyway. I'm just hoping the water in my current tank is ok. I'm not convinced it has cycled properly, but it seems strange after over two months with fish in it. The nitrate levels are so low. I'm afraid if I remove one of the...
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    New Quarantine Tank

    Hi I am about to set up a quarantine tank, having just lost 5 fish (2 zebra danios and 3 cardinal tetras) within a couple of days of adding the cardinal tetras (there were six to start with). I wanted to ask your advice on cycling the new tank. I have read that using gravel from an existing...
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    Science/Techy question about ammonia

    Thanks again. As i say, I know some people could be confused by a lot of information, it just doesn't apply to me. Perhaps I'm just an info junky. For me personally, the more I know the better I feel. I will continue with my water changes. I was just confused at the somewhat hard line taken on...
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    Science/Techy question about ammonia

    Thanks very much. Interesting article and it backs up the information on my test kit. Having read most of the posts that followed the article, experienced members may be interested in a newcomers view on 'how much they should tell newbies'. I can see the argument for restricting information...
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