Hi, I have a small tank that I need to top up buy a couple of litres. How much Tap Safe should I use? I have purchased AQUARIAN Tap Water Safe but it only tells me to use 2 caps per 20L. What’s the best thing to do here?
This isn't sounding too good. I'd ensure that water quality is in absolute tip-top condition by doing daily water changes, dosing the Kanaplex after a water change. It can get confusing trying to compensate for medication lost in water changes, so I wouldn't try to do that, but just dose as per instructions.
Ensure the filter is providing as much oxygen and surface agitation as possible. If you have an airstone, use it too.
I'm not sure that there's much more to suggest... Are any of them bloated, do you think? (I appreciate you may not know what they're normally like as you've only had them a few days.)
Re: further to unidentified attachment on tail fin
Could the betta have injured itself on any decor, caught its fin or tail in the filter or burned itself on a heater?
Keep monitoring the water quality - daily or every other day - doing extra/large water changes if required to ensure that it remains at those optimum levels. The 'problem' may resolve in its own time although bettas do undergo changes in colour.
If his behaviour or appetite changes, then that would be the time to concern yourself and we'll try to help further.
You've taken the correct course of action, for the correct reasoning, with regards to the filter media pack. The other option you could do, and which I did with a previous filter like you describe, is to convert from a filter media pack to a purely sponge/foam filter which won't need replacing at all. You could do this by placing pieces of foam in any spare space - in fact, if the new filter media pack hasn't been in very long to start building up beneficial bacteria, you could discard it, keep the old one in place with its beneficial bacteria and pack foam in the spare spaces. After a month or so, by which time beneficial bacteria will have built up on the foam, remove the filter pack and replace it with more foam. During the month or so that the new/additional foam is building up its beneficial bacteria, don't add any more stock.
FURTHER TO EARLIER QUERY"unidentified attachment on tail fin" ---
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Posted on: Yesterday 18:23
Re: further to unidentified attachment on tail fin #3 FURTHER TO EARLIER QUERY"unidentified attachment on tail fin" --- The betta also has a similar attachement on the dorsal fin. They both look like little stick on car aerials. The water is: amonia 0 Nitrite 0, Nitrate around 5ppm ( that is the testtube looks closer to5 than zero) I have not introduced any new animals or water plants. The only other thing I have done is: when replacing the filtre media pack i also retained the old filter pack in the adjacent space in the box. Reasoning that without the old bacteria the new pack would need cycling. Tank is Interpet Edge Glow