Often there are options in these machines to add fertilizers or to mix with other raw materials like perlite. Depending on the % and type of crop you might need to apply extra calcium to stabilize the coir. Dutch Plantin supplies reliable qualities for professional use: stable, high air %, high output and low EC.
Another way of working is to spread the blocks on the beds, position underneath a sprinkler (remove the twister) and expand the blocks easily by a slow apply of water/fertilizers. The cocopeat is made loose and spread by hand:
Carnation cuttings, for example, root perfectly and very fast in cocopeat, with a minimum of breaking roots when lifting them to replant.