A tote set on a set of scales is accurate. Specific gravity is easy to come by. You can suck with as big a pump as you want. Scales are the most accurate method for measuring quick
To get real fancy put scales on the sprayer. Seeding equipment gets scales, why not a sprayer?You would know gallons left , how much water put into tank etc
Last edited by stevie; 01-02-2017 at 11:50 PM.
Reason: added last paragraph