I want to share what I have done, maybe can help you.
Here 3 important steps that make me get 61 merit in one month.
1. Find top marited member. In my case, I try to find top marited member on Indonesian Local Forum
2. Read & learn their history post and you will get 3 important thing : Knowledge, Ex of merited posts & how to contribute to this forum.
3. Then start to give distribution to this forum like top marited member do.
Just so you don't misunderstand his statement, learning means you should study their writing pattern, learning to improve on your writing skills & not to copy and paste their writings
Thanks additional explanation for poin number 2.
You got 41 merit. So, you can share your tips / strategy / experience to improve posts quality.