>> Good conditions including proper lighting, adequate CO2 and lack of >> competing plants. I can't comment on the benefits of his particular >> fertilizers, but I can tell you one thing that is NOT needed: undergravel >> heating! He doesn't use it. > >Ah, but he *sells* it! He offers machined stainless steel plates (!) >for use in a substrate heating system. Why would he sell it if he >doesn't use it? > >George To make money? Bob