Well, the first solution to a bristleworm problem is to cut down on feeding...not necessarily increase the bioload. For one, it may not help your problem at all...or it may become your "pseudochromis" problem. If you try and combine this fish in a smaller tank with anything remotely similar - firefish, gramma, etc, you may have a war.
Bristleworms are not typically a problem - and if there are many, it is because they have enough food to sustain them. The solution is to cut out their food.