- 1kg sera fish food discus blue 02431. excellent quality2. reasonable price3. weight is 1KG 4 containes high spirulina and minerals 5.packing is 6pcs/box Weight 1 kg Reviews There are no reviews yet. Write a review Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment. Δ