Brine shrimp float or sink?

[JL316]

Can I directly pour hatched brine shrimp directly into the tank or use a pippet to place it in the gravel?  Have corydoras tank and was wondering if the brine shrimp would not land on the substrate.  My tank is about 22 inches tall.’’

TIA! 

[Intuos]

Personally I would strain what I want to feed and use a pippet. 

[Guppysnail]

I strain and rinse then add clean water. I use a pipette and stick my arm in and spray the grave if not everything else eats it before it sinks for them.