Dennerle Crusta Nettle Stixx are a tasty feed supplement for shrimps in fresh water aquaria.+ sinking sticks consisting of 100% natural stinging nettles (Urtica dioica)+ rich in vital substances+ with valuable vitamins and trace elements+ for shrimps full colour, health and vitality+ do not contain colorants, preservatives and pressing agentsFeeding recommendation for Dennerle Crusta Nettle Stixx:Feed every 2-3 days as much as the shrimps eat within 24 hours (approx. 1 cm stick per 20 shrimps). Remove feed residues from aquarium.