You should rinse your bc internally because inside your bc can cause damage.

Jacket style, back flotation, and horse collars are the three main types of BCs. Over inflation valve and oral inflator are the two essential features that can be found on all BCs. Rinsing it every after diving is the proper maintenance of the equipment because the salt crystals inside can cause damage.

The bags should be yellow i believe

What have scientists learned about plant behavior by studying the dodder plant