Use Collection Nets to automate debris gathering and build a stronger long-term resource economy.

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Collection Nets automatically collect floating surface debris that intersects their footprint. Their value is not simply extra loot, but time: while nets work, you can farm, explore, build and manage water production rather than spending every moment throwing a hook.
Put nets in a row across the path taken by debris relative to the raft's movement. A broad crosswise collection line generally catches more than a small cluster tucked behind buildings. Watch the debris stream for a few minutes to confirm where objects approach, then expand that edge.
Check nets regularly so their catch capacity is not wasted. Store common plastic and planks nearby for building and fuel. Keep the collection line accessible by walkway so you can empty each net safely. Protect vulnerable foundations with Foundation Armor as resources allow.
Your raft passes through debris streams as it sails; turning or drifting changes the angle at which the material reaches the nets. If net intake looks poor, look at your travel direction before building dozens more. Large nets and improved layouts should complement, not replace, a sustainable food-and-water system.
Building a thin collection line in the direction of travel leaves many objects passing to either side. Completely enclosing the nets can make them annoying to empty. Overspending on nets when you cannot afford water or repairs is also a trap; start small and extend as materials accumulate.
Begin with a straightforward straight line of nets at a practical raft edge, with storage and crafting nearby. Leave walking access and account for future engines or anchor placement. Once resource intake is steady, optimise the rest of the raft around the saved time.
Stand at the edge while the raft moves and watch whether barrels, plastic or planks are consistently passing outside the catch line. If so, extend the line sideways rather than making it deeper in the same direction. Keep the front-facing walkway open and put a plank-and-plastic chest nearby for quick repairs.
If your collection is weak, don't automatically double the number of nets. First confirm orientation, movement and whether the debris is passing outside the line. A poorly positioned large net array can still miss most objects.
A simple line of accessible nets with nearby chests beats complicated enclosed geometry that slows collection.