- Premium quality Swim Stim Pro-Expanders are designed to be ‘pumped’ or left to soak in water, to create the perfect sinking soft hook or feed pellet
- The same unique Koi technology promotes an aggressive feed response, setting them apart from other pellets on the market
- Spongy, robust texture ensures they remain firm once soaked/pumped
- Available 4mm and 6mm in Amino Original, Betaine Green and Red Krill
- Supplied in 350g re-sealable bags