Sending merit on your own ALT account is not recognized by forum. However, if you want, you can use Alt Account. This is recognized by forum. If you are in a situation where you have to go out of the house for a while, then you can open an ALT account in advance and earn a merit in a recognized way. Achieving a merit for a good contributor is not very difficult. There are a lot of Legendary members in the forum who use alt accounts.