GlasGarten Algae Chips Algae Chips are a delicious and valuable supplementary feed for your snails, shrimp and suckermouth catfish in the aquarium. The GlasGarten Algae Chips are made from natural and carefully dried seaweed. Tasty for snails, shrimp and suckermouth catfish in your Aquarium, which rasp off small pieces of food from the Algae Chips..