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Re: Just setting up my tank. Question about filter
Posted on: Today 14:59
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From: Worcestershire
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As long as the surface of the water is moving that will be fine for when you have fish. However, increased oxygen can help cycling so you may want to use the spray bar while doing your fishless cycle.

Yes, from what I can see the flow comes in at the bottom and out at the top



Re: Can I add a Pleco?
Posted on: Today 7:40
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There's only one cold water pleco (known as Hong Kong Pleco, Hillstream Loach) and it needs to be in a group of six or more and a very specialised set up with masses of flow so is not suitable for a goldfish tank. The true plecs are all tropical and need heated tanks. There is also a risk with plecs that they will acquire a taste for the goldfish's slime coat and attach themselves to the goldfish causing stress and injury.



Re: Coral
Posted on: Ystrday 12:56
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If you have no kH at all in your tap water you'd be better off buffering the tap water rather than trying to buffer in the tank. This will do the trick: https://www.ebay.co.uk/itm/Seachem-Alk ... m:mkKkBCL7iAkoVvbzOqdeJeA



Re: Still no cycling :(
Posted on: 17/2/2018 12:09
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Yes do top up - be careful not to add too much. Also, check the nitrate level and compare to nitrate reading for your tap water. If the tank reads higher then there's definitely the start of a cycle.



Re: Coral
Posted on: 16/2/2018 22:26
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Crushed coral sand is the same as crushed coral and will raise kH. You will need to do smaller water changes though as coral takes a while to buffer the water so kH will drop when you add new water and take some time for the coral to raise it back up again. That means swings in pH so smaller water changes to prevent too big a swing.



Re: Is my filter set up correctly? (pt 2)
Posted on: 15/2/2018 15:57
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Yes, they absolutely must be wet. The bacteria will die if they're out of the water and they need to be in the water in order to "eat" the ammonia and nitrite in it.



Re: Is my filter set up correctly? (pt 2)
Posted on: 15/2/2018 11:30
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Quote:

SamJDF wrote:
,

When will it be ok to remove the old filter media and have it JUST the bioballs? how long do i have to have them in there together before its safe to remove it?


Wait a couple of weeks then remove some of the old media (about a third). Two weeks later remove another third and then remove the rest two weeks after that. Monitor ammonia and nitrite for a few days after each removal.

Take some of the new bio balls back out so you can shut the lid (filter bacteria aren't keen on light). You can add some back when you remove the old media if there's room.



Re: Is my filter set up correctly? (pt 2)
Posted on: 15/2/2018 8:52
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Quote:

SamJDF wrote:

Is this all set up correctly? please tell me if not and how to adjust it!


You could do with getting some more when you can, so the tray is filled.

Quote:

1. I havent added the active carbon (or whatever its called) yet, if I was to add that, where abouts would it go? inbetween what?


It needs to be in a bag underneath the bio balls.

Quote:
2. how do the bioballs work? I thought theyd be a shell with stuff inside but no!


All of the surfaces of the balls is where the bacteria settle, in the crevices and so on.

Quote:
3. how often do you change the bioballs?


Never.....but if they get gunky, just rinse them in a bucket of tank water (never use tap water)

Quote:
4. how often do you change the filter wool?


Change it when it looks dirty or clogs up causing flow to slow down.

Quote:
5. as you can see from the photos I have also placed a bioball in the hole the water goes down to go back into the tank, this has made it 90% more quiet and less harsh when entering back in the tank, which is good as before my fish couldnt swim near it!... but its not going to mess up and flood is it? bit concerned about that, I feel it is unlikely as it has little holes in it, but im still concerned, although it does benefit the tank in terms of noise and helping my fish swim!


When the fish are bigger, remove it in case it clogs up. Alternatively, top the tank up more which will reduce the noise and flow a little.



Re: Is this needed for the filter?
Posted on: 13/2/2018 10:00
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It's a venturi for adding air. It goes on the spout marked "2" on your pics and the top of it should be out of the water. You partially unscrew the cap on it to regulate how much air it adds.

It's not actually needed as the rippling of the water from the filter return should be enough to allow gas exchange so you can leave it off if you want to.



Re: Still no cycling :(
Posted on: 12/2/2018 19:27
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Sounds promising! Sometimes when a cycle is slow to get going, the nitrite munchers can arrive and start work on the first little bit that's produced so you can get a drop in ammonia without a corresponding spike in nitrite. Hopefully, that's what's happening in your case. Test again tomorrow and if it's dropped a bit more, top up to 3ppm.




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