The principle
Multi-barrier, not single-point. Sediment, then biology, then storage on a level plinth so water always flows where you want it. Food-grade containers only — never a tank that once held chemicals.
Materials
- 2-3 food-grade IBCs (1000L)
- guttering
- first-flush diverter
- stainless fittings
- food-grade filter
- overflow hose
Tools
- Utility knife
- spanner
- level
- drill
- hose cutter
Reclaimed from
Warehouse stockyards + food-industry recyclers + Floresta Comum + OLX IBC