In my opinion, your wudu is valid. Remember Allah (swt) made wudu simple for us, and we aren't supposed to feel frustrated doing it. Some of the scholars said that if water (pus) from wounds is a small amount, it does not invalidate wudoo, but if it is a large amount then it does invalidate wudoo’.
Hope that helps.
You need to see a doctor as it could be incontinence. I suffer from this and I’ve trained my bladder to go at certain times during the day. I normally pee an hour before salat and if anything comes out after it normally collects on a tissue which I keep in my pants to prevent the spreading of the impurity.
Rinsing the nose in ghusl is obligatory according to the Hanafis and Hanbalis and a sunnah according to the Malikis and Shafi'is.
الاستنشاق ... وأما في الغسل للتطهر من الحدث الأكبر فهو سنة عند المالكية والشافعية، فرض عند الحنفية والحنابلة
— الموسوعة الفقهية
If you are concerned about amoeba contamination then you may consider using a bottle of sterilized ...
There are three main obligatory acts in order for ghusl to be valid. Rinsing out your mouth like you would do for wudu (3times). Putting water in your nose like you do for wudu (3times) then allowing the water to reach all parts of the body. I’m not sure about other fiqh but I think most say that these acts must be met for ghusl to be valid as well as making ...
In fact your question is a multi-question post which is of a kind that you should avoid:
Your first question mainly is covered in:
How to purify a carpet if I don't remember were the impurity is?:
you must be in a tahir state not your bedding: This means in order to pray your body and all clothes you wear and the surface you pray on must be free from any ...