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Re: WCMM Glancing – itching itself against tank objects no visible symptoms

Subject: Re: WCMM Glancing – itching itself against tank objects no visible symptoms
by fcmf on 2019/3/15 16:13:19

Keep monitoring your ammonia, nitrite and nitrates *daily* for at least the next month / a month after you move the fish into their more appropriate-sized home, to ensure that you get through the cycling stage. For such a small tank, this may very well require daily water changes of whatever quantity required to keep ammonia and nitrite at 0 and nitrates no more than 20 - these readings need to remain at this level every day. Stress, through too-small an environment, can also play havoc with fish hormones and secretions of these in turn affects all tank inhabitants, but this can't be measured through home-based test kits; even small daily water changes should help address this, though, by diluting levels of these hormones.

When you move the fish into their new home, it will be crucial to preserve any beneficial bacteria that you have in the filter media so that it can continue to process the fish waste, and not let this die off - it starts to become dormant within an hour or so, dying off thereafter. Therefore, after the new tank has been set up with substrate and dechlorinated water:
* if you're not intending to use a new filter in the new tank, move the filter and its media straight into the new tank along with the fish [no need to do a fishless cycle on that tank's filter unless you're planning to increase your stock];
* if you're intending to use a new filter in the new tank but not the old one, transfer across all the filter media from the current filter into it along with the fish;
* if you're intending to use both old and new filter in the new tank, keep half the filter media in the old filter and put the other half of the filter media into the new filter to seed it.

After about a month, then taper off the water testing and just do it once a week thereafter, just before the scheduled water change, to ensure that you're managing to keep the water quality at this level throughout the week and up to immediately before the scheduled water change.

Hopefully this, and following the excellent advice in the link that Fishlady gave you, will help reduce the flicking - very often a cause of fluctuating water quality / the fish-in cycle. [Been there, done that, albeit in the pre-internet days when these forums didn't exist.]