9.5 CHAPTER SUMMARY

• Compost tea can be used to supplement nutrients for the plants and be produced on a small-scale by composting vegetable wastes.

Alternative and supplemental fish feed can be grown and produced on a small- scale, including duckweed, Azolla spp., insects and moringa.
Seeds can be collected and stored using simple techniques to reduce costs of reseeding.

• Rainwater collection and storage provides a cost-effective way of replenishing aquaponic water.
• Redundancies and failsafe methods should be employed to prevent catastrophic loss-of-water events that can kill the fish.
Aquaponic water can be used to fertilize and irrigate other gardening activities.
Many types and methods of aquaponics exist beyond the examples outlined in this publication.