I think since you're new to the fish world and have a lot of questions the best is to search on google or on here on your questions. Best thing is to do is read what others do. Good luck
Yep, veggies like plum, banana, green peas and other soften fruits/veggies are really good for their health especially to prevent constipation or bloated stomach.. Their poops will be different than regular when providing veggies, but it's because of the veggies food.. so no worries if we see yellowish/degraded color poops after feeding veggies! lol!

very good pearls and color! Good going.
Until FH has internal parasites and or infection, the deworm is not needed!
If he is healthy, eating well, playing well, no medication..
Not earing, very disorientation! Not swimming properly, and above all these, Having white stringy poop which is sticking to his anus. Google or search in this site for internal parasites, or hex in FH.
False negative! Tap that shopkeeper tightly!!! You know what I meant!!! lol!!!
