I'm suggesting you follow the websites guidelines and use it to mix your shakes
I'm pulling your leg mate. You've said it leaks, and I believe youI'm just telling you what the websites suggested use says.
Anyway, transport powder in compartment, remove compartment, fill the shake with water, put the powder in, shake while holding the spout lid, done.
BAM!
Delvis makes sense here, just remove the compartments before adding liquid?