Dynamite Baits The Source Pop-Ups Dynamite Baits The Source is the Pop-up to accompany Dynamites legendary The Source Boilie. Its based on the same successful recipe as the rest of The Source range and is made according to Terry Hearns own recipe which contains 100 per cent natural ingredients. The Source Pop-Ups are made-up of a combination of high protein fishmeal and bird food, together with crushed egg shell. Available in size 15mm. Supplied in a screw top tub that should last for numerous sessions. A matching Hookbait Dip, Liquid Attractant, Stick Mix, Base Mix and Pellet range is also available to accompany the boilies and pop-ups.