Sylvia Bernstein is the president and founder of The Aquaponic Source. An internationally recognised expert on aquaponic gardening, Sylvia speaks, writes and blogs extensively abou...vizualizați mai multeSylvia Bernstein is the president and founder of The Aquaponic Source. An internationally recognised expert on aquaponic gardening, Sylvia speaks, writes and blogs extensively about this revolutionary technique.vizualizați mai puține