Am I being daft in thinking I read somewhere that you can mix different % of solution to get a completely different %??
Reason I'm asking is I'm almost out of 10% Sienna x but need it for a client on wed morning. I have 8% & 12% can I mix these ti get a 10%???
Reason I'm asking is I'm almost out of 10% Sienna x but need it for a client on wed morning. I have 8% & 12% can I mix these ti get a 10%???