Hi! I’m new to guppy keeping, I have 4 male guppies in a 10 gallon tank
The temperature is set at 25 Celsius. 0 ppm ammonia, 0 ppm nitrites, 5ppm nitrates the Ph is a 7.2, and the hardness is at a 10dhg
So my one guppy I got 3 days ago, he is having what looks like poop with a white mucus...