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  • It's been a while, so consider everything "if I remember correctly", plus best practice may have changed.

    The reason that you're seeing conflicting advice, is that the Nitrogen Cycle wasn't understood until relatively recently: a lot of outdated advice persists.

    To establish my tank I added a small pinch of fish food, before adding a pair of Zebra Danio: perhaps over 7 days.

    But you need to test your water much more often, to begin with: if your tank is going bad, you need to be on top of it.

    You're right about changing the water a little and often, but I think I changed more, more often: maybe one third/25% on a weekly schedule? Quite shaky on that point.

    Follow the same approach to adding fish (no more than half a dozen small fish at a time).

    Plecos get big, perhaps look at Glass Catfish? 130 litres is good for bottom feeders, a couple of shoals of mid/top-level fish and your highlight(s).

    I may still have some books you're welcome to: remind me at the weekend, if you like.

  • very kind, thanks....drop me a pm if poss/convenient.

    so, there's been an escalation - ti the tune of an additional 120 litres! Still following the same method and yours and others advice on here....add slow and i'll change a little more water a little more regularly. 3 Corys and a few snails will be in the previous tank over the weekend and then 6-8 neons before a couple weeks and transfer to the larger tank, cycle started today and onward!

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