Im limited on budget, 8 euros apiece, so a proper test kit or a large number of kribensis will be a problem, i'll see what i can do. Do they only become territorial during brooding season or are they always territorial? Because my male keeps on changing cave/hideout.
I did a full clean out of my tank the other day, so maybe I'm still in this chemical cycle. Thanks for the link, being a scientific person, I learned a lot
. I'm hopefully going to start studying marine biology at university this year so it was nice reading that article. The reason why I started a biological tank with live plants during the holidays was to force myself to dig deeper into the subject, and I have learned a lot recently
I don't think the chemical, bacterial cycle is the problem since my other fishes are fine, in fact my black phantom tetras were breeding straight off after the cleanout, but they ate the eggs afterwards
it was great fun watching them chase each other
I personally would probably go for the bad couple idea.