Jim Morcombe wrote:
A couple of threads have made comments about cycling in a new tank
that I disagree with. For example, that it is impossible to cycle a new
tank without harming the fish and hence you must use "rubbish fish".

Hardy fish, not "rubbish" fish... and i didn't see anyone being daft enough
to say it's impossible to perform a fishless cycle.

You go on to say how easy it is to cycle a new tank when you have existing
tanks... this is common knowledge... but what you haven't mentioned is how
to cycle a new tank without the help of mature filter media.

Without mature media, there are three options

1. Put in a couple of hardy fish
2. Use a commercial bio-media to kick start
3. Do a fishless cycle, preferably using ammonia.

For someone setting up a tank for the first time, probably the best advice
is to get the tank set up, preferably with a few plants, and leave the
filter running for a week or two... then put in a couple of hardy fish and
leave it for a couple more weeks before stocking it further.




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