NPP 130mg/ml?

[Ray9]

How high do you reckon it will hold with GSO 20bb

 

[JackSmooth]

How high do you reckon it will hold with GSO 20bb

Highest I've done with gso @ 20% was 100mg. Never tried to go higher. Try a small test batch and play with it, maybe someone else can chime in.

 

[notanothersnake]

In grape seed oil? And what %bb?

Sorry, no, mig840