seahorsesource.com sells decapsulated brine shrimp.
The decaps are the cleanest.
The outer shell can cause digestive problems in some species.
Not to mean the bacterial load that is dumped into the water after naupli has hatched.
You do not have to deal with the outer shell.
Nutritionally this is the best shrimp.
When attempting to hatch regular brine shrimp, the naupli exerts a lot of energy.
This in turn causes the brine shrimp to use up parts of the nutrition which is beneficial to the consumer.
In this case, the larva.