Swim Stim’s Pro-Expanders are a premium quality expander pellet designed to be pumped or left to soak in water to create a sinking hook or feed pellet. Once prepared, Pro-Expanders internal structure creates a soft yet highly durable pellet that is both easy to hook and hair-rig.

Pro-Expanders are available in a range of popular sizes 3mm, 4mm, 6mm in Amino Original, Betaine Green, F1 and Red Krill Flavours.

300G Bags Resealable Bags

Flavour

F1 4mm, F1 6mm, Amino Original 4mm, Amino Original 6mm, Betaine Green 4mm, Betaine Green 6mm, Red Krill 4mm, Red Krill 6mm