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Cycling Tank - The Restart

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Offline barneyadi

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Re: Cycling tank - the restart
« Reply #80 on: June 25, 2020, 10:03:10 PM »
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Quote from: Matt on June 25, 2020, 09:53:50 PM
If you want any advise on planting the tank let me know  :cheers:

Will do. Think the rainbowfish are out at they need harder water.
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Offline Littlefish

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Re: Cycling tank - the restart
« Reply #81 on: June 26, 2020, 06:14:30 AM »
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I have hard water, and I think forktail rainbows are lovely looking fish.
I'd keep them but I can't get over the short lifespan. Even though it is natural, I'd still be bothered by fish loss.
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Offline barneyadi

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Re: Cycling tank - the restart
« Reply #82 on: June 27, 2020, 11:43:03 AM »
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Hi @Sue

Odd question. My 200 litre tank which had no mature media and no plants in it is telling me today that it is cycled after 3 days of adding 3ppm ammonia. Seeing my 125l took longer with mature media, i am slighlty concerned about the length of time difference. Have double checked both readings and both 0ppm after 24 hours.

Am i worrying unneccessarily?
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Offline Sue

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Re: Cycling tank - the restart
« Reply #83 on: June 27, 2020, 11:53:18 AM »
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I think I would be wondering what was happening in this case too  :)

Since both readings are zero, add another 3 ppm dose of ammonia and see what it's like next day. If they are zero again, and you are still concerned, put a bit of tank water in the test tube (maybe a fifth of the total) and fill it up with tap water then test that for nitrite. It is documented that if nitrite is very high, it can sometimes show a blue colour, and this dilution test is just to prove this is not happening here - if it's still zero, good. If it shows any colour other than the zero colour, nitrite is very high.
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Offline barneyadi

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Re: Cycling tank - the restart
« Reply #84 on: June 27, 2020, 01:38:16 PM »
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Quote from: Sue on June 27, 2020, 11:53:18 AM
I think I would be wondering what was happening in this case too  :)

Since both readings are zero, add another 3 ppm dose of ammonia and see what it's like next day. If they are zero again, and you are still concerned, put a bit of tank water in the test tube (maybe a fifth of the total) and fill it up with tap water then test that for nitrite. It is documented that if nitrite is very high, it can sometimes show a blue colour, and this dilution test is just to prove this is not happening here - if it's still zero, good. If it shows any colour other than the zero colour, nitrite is very high.

Thanks Sue

Have added the 3ppm, will see what it says tomorrow.
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Offline barneyadi

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Re: Cycling tank - the restart
« Reply #85 on: June 28, 2020, 11:53:20 AM »
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Hi @Sue

Have tested just now and both ammonia and nitrites are zero. Did the 1/5 tank and 4/5 tap water and tested for nitrites and also zero.

So can i safely assume i am cycled?
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Offline Sue

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Re: Cycling tank - the restart
« Reply #86 on: June 28, 2020, 11:57:53 AM »
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Yes, the tank is cycled.

The dilution test was just for a remote possibility to make 100% sure  :)
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Offline barneyadi

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Re: Cycling tank - the restart
« Reply #87 on: June 28, 2020, 12:01:39 PM »
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Quote from: Sue on June 28, 2020, 11:57:53 AM
Yes, the tank is cycled.

The dilution test was just for a remote possibility to make 100% sure  :)

Ok, thanks for all your help.

Now got to decide what fish to get. Thats an even harder problem.  ;D
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Offline Littlefish

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Re: Cycling tank - the restart
« Reply #88 on: June 28, 2020, 02:57:31 PM »
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Congratulations on completing the cycle.  :cheers:
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Offline LeakysLab

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Re: Cycling tank - the restart
« Reply #89 on: June 28, 2020, 05:29:35 PM »
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well done, good work now for the fun bit  :cheers:

*Remember you can add more ammonia before the big water change if there is a delay to your fish arriving.
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Offline fcmf

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Re: Cycling tank - the restart
« Reply #90 on: June 28, 2020, 05:54:55 PM »
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Well done - and hope you're not tying yourself in knots with the fish decision-making!
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Offline barneyadi

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Re: Cycling tank - the restart
« Reply #91 on: June 28, 2020, 08:34:16 PM »
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Quote from: fcmf on June 28, 2020, 05:54:55 PM
Well done - and hope you're not tying yourself in knots with the fish decision-making!

Definitely tying myself in knots. Going between a female Betta sorority, 3 or 4 Fancy Goldfish or a tetra and cory tank at the moment, or something else for the 125 litre tank. I am very undecided. Soft water will reduce the field, but not much.
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