Tarter won't come out by brushing.
Need to get scaling done by dentist.
The mild bleeding while brushing can be avoided by gentle and correct brushing techniques with soft bristled brush twice a day after food. Make sure bristles do not hit the gums while brushing
Mouth wash: hexidine,use after meal, once in every 2 or 3 days.for 5 mins, hold 2-3ml of mouthwash in mouth and spit out. Do not eat drink or rinse after that for half an hour.
Next Steps
visit dentist, get a thorough scaling and polishing done.do not neglect.
Health Tips
Luke warm salt water gargle 2 times a day.
quit habits if any.