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Discussion Starter · #1 ·
Hi all, complete newbie to fish keeping etc so here is my query.....

Recently bought a 310L tank, last week, and set up with the filter provided etc. unfortunately that filter was made for an 80L tank so went out and purchased a new Aquamanta EFX400 canister external filter (advised it should happily do my tank).

So im wondering how long it'll take before i can add some new fish to my tank? I have put the water currently into the tank into the filter, and rinsed it out using the tank water to ensure it has some bacteria etc already in it upon setting up. Would i be right in saying it should be about 1 -2 weeks before adding new stock?


Cheers

Mike
 

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cycling takes about 1-4 weeks.
test the water mainly for ammonia levels.

0-.05 is ready to go. I have gone 1.0 and they ok.
I have gone when ammonia was very high and they jumped out overnight.
 

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It usually takes 6 weeks to establish a new tank suitable for fish health though that time can vary on how the tank is cycled. I use the fish-less cycling method using Ace hardware brand ammonia without additives.

Buy a liquid aquarium test kit so you can monitor the ammonia, nitrite, nitrate and pH. I like the API Master test kit for testing, not sure if that brand is available in your location.
 

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Discussion Starter · #4 ·
Thank you both, i currently have 2 loaches, a snakehead and a pictus catfish in there (came with tank when i bought it from the dude) and they seem to be as happy as can be. Is it worth keeping the air filter in there or would the previously mentioned external filter pump enough oxygen into the tank?

Again apologies for the questions , new starter so want to get it right and have a happy tank :D
 

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It was not clear (or I missed it) in your initial post that this tank was previously setup/established tank with fish. If you also inherited the substrate there will be significant beneficial bacteria there. I presume that the filter was also used in the previous set-up? If so, leave it running for a couple of weeks while your new canister filter becomes 'seasoned'.
Note: you should still invest in a fresh water test kit and monitor ammonia, nitrite, and nitrate levels. In time, you can just monitor nitrate levels shooting for <=20ppm. Also, since you are new to fish keeping (WELCOME!) I suggest you have a good quality conditioner (like Seachem Prime) as needed (Presumes you have chlorinated tap water) and do a weekly partial water change of 25-50%. Keeping water 'fresh' is very important to be successful. Also, is it a planted tank? Regardless, fast growing floating plants (like water sprite, hornwort, frogbit, anacharis, dare I say [er write] it...duckweed) are a huge benefit in water purification.
 
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