Hi everyone,
I find this conversation really interesting and informative. I remember having conducted similar water testing at school some years ago. We would look at different tapwater types from different spots around the city and it was rather shocking to see how many germs can be found there. However, it never came to my mind to do this with my tanks. I will have a chat with my biology teacher to see if he could give me the formula and ingredients with such we produced our own test sets as they worked very well. I think this might be a even cheaper way of conducting su h testings and I would love to see how my tank behaves.
I ‘ll keep you posted on the recepie