Three reasons we believe this can NOT be the case:

1. Microorganisms make it through to second stage, overwhelming secondary treatment mechanism and leaving BWMS tanks alive.
   
2. Built-up sediment in ballast tanks increases ship's weight: more fuel is needed to sail. 
   
3. Low quality filters end up in a state of constant backflush, constantly trying to clean themselves to stay functional because of their incapability to process the water.

Read more on filtration ensuring the long term compliance of ballast water management systems