Slow Streaming VIA PCC Load Balancing

Hi

I need assistance, i have a Mikrotik CCR1009, using 3wan PPC Load Balancing with a total of 120MBps bandwith. I am using Queues with static IPs for my clients. I get full bandwith VIA speed test and the internet is super fast, the issue i have is anything i try to stream either buffers or does not play, my clients are very unhappy and i need help, what i realised is, when i created a mangle rule to force a client trough a spesific wan you tune plays instant in full hd without buffering but when i switch back to the load ballancer it buffers again.

Can any one assist me please