I started with 30 gallons of nutrient solution two weeks ago and have only used about 3 - 4 gallons in that time. I have four tomato plants. Two in a 50/50 mix of coco and perlite, and two with all clay balls. I had problems with the coco/perlite clogging things.
I am feeding twice a day for 15 minutes. Should I feed more often?
Does this sound like a normal rate? My 30 gallons would last almost 20 weeks, or five months.