Marital problems

Q: I want to ask some wazifa for the success of my marital life because I am much worried nowadays. And I'm living without my husband nowadays. He was giving very tough time to me from after 20 days of marriage. Please tell me some Islamic wazifa that he become mold towards me. 

Using wudhu utensils

Q: Does all pots of wuzoo including lotay, shower, doors and sometimes plastic pipe which are wet by water are clean and paak? Can we use these things without hesitation or we need some special things to use them?

Taking a second wife

Q: I am 41 years old. I got married 10 years ago. I have a daughter 9 years old and son 4 years. My wife is patient of multiple sclerosis. She has been sluggish since marriage. She cannot manage home and family matters. I am over burden as am job doing person. I want to opt second marriage and will keep first one with me. Please guide me what Islam says on this.