Share 'Can anyone tell me what black spots on leafs are .'
Does anyone have a clue what these black spots are on my tomatos these spots are also
on my squash and pole beans .
My system has been running for seven months i have a 300 gal tote with 12 2" talapia
with 3 grow beds 6' x 4' planted to the limit with lettuce, starwberrys, squash , beans,ect .
Also my squash has lots of flowers but does not fruit flower wilts and fall off .
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