Started Fishless Cycle

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Offline Andy64

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Started fishless cycle
« on: July 29, 2018, 11:04:22 AM »
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Hi, I have started the fishless cycle of my 200 LTR aquarium, I added 4ml of ammonia three days ago and ammonia ppm was around 4 - 5 , I added another 3ml of ammonia today and ppm is the same and there is no nitrite reading ? is this normal ? This is the first time I have done a fishless cycle so have nothing to compare it to   :-\ ,

Offline Sue

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Re: Started fishless cycle
« Reply #60 on: September 05, 2018, 06:47:47 PM »
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I would leave the substrate alone for now. There has been no uneaten fish food or fish poo to mess it up, and as the substrate is home to more bacteria than just the filter bacteria, don't do anything with it until you need to. The amount of bicarb in the water in the substrate is not enough to do any harm.

Offline Andy64

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Re: Started fishless cycle
« Reply #61 on: September 05, 2018, 09:16:00 PM »
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OK thank you Sue , hopefully have a few fish by the weekend  :)

Offline Littlefish

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Re: Started fishless cycle
« Reply #62 on: September 05, 2018, 09:18:06 PM »
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Exciting times.  ;D

Offline Andy64

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Re: Started fishless cycle
« Reply #63 on: September 06, 2018, 01:31:49 PM »
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Ha ha yes, it will be nice to finally get some fish in the tank, my grandchildren are very excited.
So, I have just test again after 24 hr and i now have ammonia at 0.2 it is more towards 0 if i'm honest but just not quite there according to my chart, nitrites are 0.75, on my chart. I will wait 24 hrs before testing again tomorrow.

Offline Littlefish

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Re: Started fishless cycle
« Reply #64 on: September 06, 2018, 02:03:44 PM »
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 :)

Offline Andy64

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Re: Started fishless cycle
« Reply #65 on: September 08, 2018, 02:41:12 PM »
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 Just done another test today after adding ammonia yesterday. I had 0 ammonia and less than 0.25 nitrite. I am so close to completing the cycle now  :) will test again tomorrow and add ammonia .

Offline Andy64

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Re: Started fishless cycle
« Reply #66 on: September 10, 2018, 12:42:21 PM »
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So i added ammonia yesterday and today i have 0 ammonia and 0 nitrite  :). Water change and fish next. How many fish would you advise, i was thinking of maybe four or five to begin with ? I really want to get Cory's but am i right in thinking it's best to wait for the tank to mature ?
Thank you for all the advice and help i have received to get my tank cycled, I really do appreciate it.

Offline Sue

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Re: Started fishless cycle
« Reply #67 on: September 10, 2018, 04:12:42 PM »
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In theory you can get all your fish. But yes, I would wait a couple of months for the cories. Some species are more delicate than others, or in other words some species need a more mature tank than others. I think it is mainly the smaller species that need to wait longer.

If you get four or five fish to begin with, the bacteria you've just spent ages growing will start to go dormant. I would get all but the cories within a couple of weeks.

Offline Matt

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Re: Started fishless cycle
« Reply #68 on: September 10, 2018, 07:16:43 PM »
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Remind us what species you wanted @Andy64 and we can check this list for any others that do better in a more mature tank :)

Offline Andy64

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Re: Started fishless cycle
« Reply #69 on: September 10, 2018, 10:58:28 PM »
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That's good news Sue i thought i may have to stock a few at a time to avoid a spike in ammonia ect. I have had four black neon tetras today and will buy more of the same soon , they seem to be doing fine and enjoying the space in the tank at the moment. They do seem very active, which is good. Matt - i just want a busy community tank with a bit of colour. I will get more fish this week so any advice is welcome  :). I have checked nitrates after the water change and i would say they are between 5 - 10 , so i am very happy with how it all seems at the moment. I haven't fed the fish yet but will feed them tomorrow.

Offline Sue

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Re: Started fishless cycle
« Reply #70 on: September 11, 2018, 10:49:54 AM »
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The idea behind fishless cycling is that you grow more bacteria than a sensibly stocked tank of fish will need. Obviously a grossly over stocked tank will make more ammonia than the bacteria can cope with, but stay within the community creator guidelines and it is fine to get all but those fish that need a mature tank as soon as the cycle finishes.

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