The blue as Eric said is in the testing stage at the momentMay try the hard when out of Razr red, Is it the blue rubber that polzandbladz is using now on youtube?.
Wondering if the liquidater problems are basically down to moerman rubber??????
Problems with the liquidator is not down to the Moerman rubber
It is designed to work perfectly with the channels
Heavy handedness will cause it to wear extremely quickly but used correctly it will last ages, I get several weeks out of a strip
The correct technique will leave no issues with lines etc