more information:

pH 5.9

sunshine mix

botanicare pure blend pro

add cal mag about 1.5 ml per gallon since sunshine already has cal in it

r\h is usually about 40-50%

plants are like 3-4 weeks old, stunted growth lately

ppm around 850

r\o water

8 inch exhaust out... 6 inch in

several fans blowing on them.... haven't really had problems in the past too too much