Yeah, I’m sure the person wasn’t taking precautions and using any protection like gloves nor washing. I myself always wash my hands after testing and wear gloves during water changes which btw thanks for the tips, there’s shrimp in there and it was cycled for a week and ammonia was 0 for a few days but I got a spike from some rotting plant bulbs which have been removed. Sucks! I plan on 50% water changes twice a week until it’s back to 0, would you recommend more often?
I also have some prime and stability