Supplier Knowledge · Net Systems for Cage Aquaculture
Cage Net Systems — Nylon, HDPE, Copper Alloy Buyer's Guide
Nets are the most stressed asset in any cage farm. Wrong material or coating drives biofouling energy, escapes and predator loss. Choose against wave exposure, biofouling and predator pressure.
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Typical applications
- Salmon, sea bass, sea bream sea-cage farms
- Predator nets and bird nets
- Broodstock and quarantine nets
Project sizes
- Per cage: $10K–$150K
- Commercial site (10+ cages): $200K–$5M
Selection criteria
- Material and mesh size for species and life-stage
- Antifouling and cleaning strategy
- Predator design (double net, tension)
- Documented lifecycle and warranty
Questions buyers should ask
- Fatigue life at my wave-exposure class?
- Antifouling chemistry and re-coating cycle?
- Predator design against local species?
Common procurement mistakes
- Under-tensioning nets and inviting predator attack
- Skipping antifouling on new nets
- Ignoring copper alloy lifecycle math
RFQ recommendations
- Tender lifecycle CAPEX+OPEX per cage, not headline net price
Related tools & guides
Calculators
Buyer's Guides
Project templates
Regulations & standards
Related knowledge articles
Frequently asked questions
Next steps
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