I am brand new to the hobby and just learning about cycling. I got a bunch of fish earlier today and they were put into a brand new 29G with a few fish purchased about a week ago by some family members.
Inside: 5x black skirt tetra,
2x peppered cory,
2x african dwarf frog
I tried to do all of my research beforehand and made sure to only buy species that were compatible which I think I succeeded at. however I knew nothing about cycling and am now quite worried.
Thankfully I did put old gravel and decor into the tank with the new gravel and decor. I also have some old filter pads, and I put one into my new filter (just sitting in there) with a small handful of old gravel as well at the recommendation of this article. Some of the gravel and decor had been in a tank for a few months, but was then washed before being put back in about a week ago. The old filter pad is somewhere between a month and a week old, but I'm guessing it's probably more recent.
I have a filter pad that's quite old and crusty from a few months back, but I know this was in a tank with a dead fish for a while (and one that was still alive). (lots of neglect and one of the fish died; when cleaning tank out turned out the other was alive, hence the total cleaning of the 10G.) Not sure if I should put this filter in so I left it out for now.
I kind of took over and today spent a bunch to try to get a bunch of new fish and a big tank/decor because I want to make sure everyone is happy and healthy and I'm the animal lover in the house.
What I have read is that if I'm ok doing pretty large water changes regularly my fish should be ok. I see I need to get something like seachem and a water testing kit but am not exactly sure what I should be doing. I will see if I can get a testing kit tomorrow or asap, as well as seachem.
But what should I do to keep them safe? Say I test for ammonia or nitrites above .25 ppm
(quoting that article here) so I should do a 50% water change. Do I then treat the remaining water, with the fish in it, with the seachem? Or do I treat the new water?
Thanks so so much for help. i wish I had read up more and learned of this, but I'm absolutely dedicated to doing what I can to keep these fish happy and healthy even if that means frequent large water changes or buying more treatment stuff. I'll also get a tap-to-tank changer.