wrote in message
ups.com...
This amazing system of growing plants is part of the future.


yebbut nobut ...

Apart from its actually being as old as the hills ...

all that "PH" and "EC" makes my brain hurt ..... and what are we to do with
all that compost ?

And, apart from soil-borne diseases, do pests choose not to land on
hydroponic plants ?
(what about sheep fluke in watercress ?)

... and whither hydroponic carrots ??

How long before the adverts ?