I also use fish tank water is rich in nitrates. Whenever I need to go to the top had identified several gallons of water an established fish tank, and made a big difference compared to other hydroponic set up it is only tap water.
I only produced sugar baby. They are great. A huge watermelon a little bit more, for us, too. They prepared a lot of early harvest, it is very important in this area 4. In my vines are very compact, but tons of fruit.
The good news is that although they are still demanding that temporary abnormal, they did not think it is a Santa Ana. This is almost no humidity, not to mention the killer Santa Annas than temperature.
Nickel is not greasy beans beans, but a slender, white wheat (pole) beans. The other two I bought is the "mountain home greasy beans"and "ORA spots", which is a greasy brown spots cut short. I want them to two plants next year, but their distance apart, so that they from the tunnel.