As I said, I tried sending 0 POS with 0.1 GWEI price - working perfectly
Proof:
https://etherscan.io/tx/0x00d635f4501bdc97384583d6469f5f611fb0a6c6683f6cfe9c254044ac323ad1For anyone still having any issues.
Import Your wallet to MEW (
https://www.myetherwallet.com/ - by UTC/Priv Keys/etc - ALWAYS make sure it's original one by checking SSL certificate) by clicking
"Send Ether & Tokens" -> Click
Load Tokens-> For recipient address type
same address you are sending from-> For Amount type
0 and choose
POS-> Leave
Gas Limit as it is-> In upper right corner click on
Gas Price: XX GWEI, use slider to specify
0.1 GWEI price-> Click
Generate Transaction -> Click
Send transaction ->
ENJOY You can send tips to my address specified at tx - POS highly appreciated

How long does the process take place, bro? I examine for almost 3 hours ago and still nothing