Ground oyster shells are rich in calcium and quite heavy. We've been mixing these shells into our mixes for a long time and it also gives the bait a crunch effect.
The sound of grinding and eating these shells can be heard from afar and encourages other fish in the area to join the party as well.
This ingredient is therefore an added value for your bait on several levels.
Dosage in the boilie mix: 1% - 5%