Hi everyone, I'm getting a bit frustrated with my Aquaponics system.  It's been cycling (with fish) for a little over 4 weeks now.  For a while there everything tested normal.  Now in the last few day's my tomato plant died.  A number of the sprouts that started (parsley, basil, variety of lettuce, corn)  all died after about a week of looking great.  I have two tiny basil sprouts and 1 tiny pars…