Hey Old Rigger or anyone. When I add the surfacing agent my resin fish eves/solvent pops or something? First I sanded of the carpet adh. and glassed the center sponson area with just laminating resin, no surfacing agent because I am/did paint that after. But the tops of my tunnels are balsa so I sanded and mixed up a small batch with the surfacing agent and fish eyes every where. Did another small batch in a different spot the next night,same thing. Did a batch last night with no surfacing agent and no fish eye. I guess I'll just 86 the surfacing agent and not worry about it. just curious if anyone could shes some light on wtf is goin on here.