Tomorrow morning please prepare 0.1% stock solution of 9820, 2013 and 3-new products from Ecotec.
Then try to check at dosage 400 g/ton compare with Amazon product (you need to prepare water from office then collect product from IBC tank at mill site to make 0.1% stock solution).
Please take your time for this comparative test (pouring test) in the morning before meeting at 3:00 PM.