This book gives you the full spectrum of aquaponics including how to design your own functional system. Never worry about food security again. Duel system provides you with fish and whatever you can grow. An easy do it yourself method to your own food production.
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This book gives you the full spectrum of aquaponics including how to design your own functional system. Never worry about food security again. Duel system provides you with fish and whatever you can grow. An easy do it yourself method to your own food production.
Read Less
