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Fishyfishfish Fishyfishfish
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  • Posted on: 23/9 13:28
Re: Fishless cycle is just not working, guidance needed.... #21
I've ordered a Gh & Kh test kit but, in the meantime, would I benefit from considering some nitrifying bacteria, perhaps Dr. Tim's One & Only or a Fluval Cycle? I don't really trust them myself but people are leaving positive feedback for them so there must be some benefit to using them.

What would be your recommendation if you were to choose one to use?


Fishyfishfish Fishyfishfish
  • Quite a regular
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  • Posted on: 21/9 15:50
Re: Fishless cycle is just not working, guidance needed.... #22
I'll get one ordered for next week it can't hurt to see what's what. The thing is, we are living in the same town, and the water information is the same as much as I can tell, so I can't see that being the issue.


Fishyfishfish Fishyfishfish
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  • Quite a regular
  • Posted on: 21/9 5:01
Re: Fishless cycle is just not working, guidance needed.... #23
That Platy was in a 24 litre quarantine tank, which I shut down (along with my 125 litre tank) because we moved. I gave the fish to my lfs because I wanted to start from scratch. If I had a mature tank with a seeded filter I would have cannabalised some of the media long before asking for help:).

I don't have the option of asking anyone for some either unfortunately, so I guess I need some bicarbonate of soda.


Fishyfishfish Fishyfishfish
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  • Posted on: 20/9 20:48
Re: Fishless cycle is just not working, guidance needed.... #24
No, our water here is hard - 13.90 German degrees according to Severn Trent water.


Fishyfishfish Fishyfishfish
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  • Posted on: 20/9 17:07
Re: Fishless cycle is just not working, guidance needed.... #25
It's the same tank; I had trouble originally getting the canister primed, you gave me the advice of sucking on the return pipe, which did the job, and I've been trying to cycle the tank ever since.


Fishyfishfish Fishyfishfish
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  • Quite a regular
  • Posted on: 20/9 8:38
Fishless cycle is just not working, guidance needed.... #26
Hey all

I'll keep this as short as I can but, as the title says, my fishless cycle is not working; I am not getting any Nitrite at all.

I have a Fluval Roma 125 with an external filter (Oase Biomaster Thermo 250). I went for the best canister I could afford in case the tank gets overstocked. Inside the canister is fine sponge in the pre-filter, then I've re-done the trays so that the bottom one contains blue coarse sponge that came with the filter; the next tray up has fine red sponge with a separate fine black sponge on top (it sort of looks like an egg carton in that it has raised surfaces sticking out). The last two trays contain roughly 1.5 kilos of Biohome Ultimate.

Long story short I got the tank filled and operational and put Prime in to treat the water, a day later I dosed the tank with Kleen Off ammonia to roughly 4ppm, waited 3 weeks and nothing happened. I chucked some frozen bloodworm in after they had thawed but then realised the ammonia would spike higher so I did a 50% water change but left the bloodworm in. I dosed the tank with Prime again, then the following day I tested the tank and the ammonia was down to roughly 1.5ppm. I re-dosed the tank with ammonia to get it back up to roughly 4ppm; that was just over a fortnight ago and still nothing is happening.

I'm getting impatient because it just doesn't seem to want to work. The temperature is set to 26 degrees constantly. I thought putting bloodworm in would force it into action but it simply isn't happening.

Is there any way I can speed this up?


Fishyfishfish Fishyfishfish
  • Quite a regular
  • Quite a regular
  • Posted on: 23/8 8:41
Re: Why can't I prime my new canister filter? #27
Just wanted to update this with progress and a question...

It turns out the noise from the canister IS the thermostat on the heater, not trapped air, which is what I thought due to the consistency of the noise happening every 20 minutes exactly so I'm pleased.

My question though now is I'm fishless cycling with Ammonia and it's been 9 days but I'm yet to register Nitrite. I've dosed it to roughly 3ppm and I was expecting to at least see some progress by now. Is there a general timescale for Nitrites to appear?


Fishyfishfish Fishyfishfish
  • Quite a regular
  • Quite a regular
  • Posted on: 11/8 21:13
Re: Why can't I prime my new canister filter? #28
God I don’t want to go through that again.

I’ve been listening out for the noise and it actually does it consistently, roughly every 20 minutes which is really strange. It can’t be the heater turning on or off because it is far too loud to be that so I’m not sure what it is.


Fishyfishfish Fishyfishfish
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  • Quite a regular
  • Posted on: 11/8 12:25
Re: Why can't I prime my new canister filter? #29
It's been running fine - had a small leak issue at one of the connectors, which I've sorted but I've noticed it makes this strange scraping or rattling sound; it only lasts for a second or so but it does it quite regularly like every 20 mins or so.

I thoroughly checked the impeller when I set it up and it was fine and I've also gently tilted the canister to displace any air and no more air is coming out - is this something I should be concerned about?


Fishyfishfish Fishyfishfish
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  • Quite a regular
  • Posted on: 9/8 7:17
Re: Why can't I prime my new canister filter? #30
Gave the outlet pipe a good suck but didn’t realise there was still water in the tube so that was terrifying!

Luckily there was no dechlorinator in there because I’m fairly sure I swallowed a bit of it. Anyway it worked a charm let’s just hope I live to enjoy it!



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