ok, ive looked at the form..i think i understand it, here goes.

Indoor

Hydro (dwc)

Hydroton clay pebbles

Tap water (ph7)

Plant age about 1 month.

nutes, flora series 3 part

PPM, unknown.

600w hps, 1 metre

Air temp, 30c day, 15c night.

Res temp, 22c

Humidity, unknown.

Lighting 18/6

Ventilation, fan in..fan out.

Media pre soaked in ph6 water
volak Reviewed by volak on . NITROGEN DEFICIENCY ?? Would everyone agree that these young plants are showing signs of N deficiency ? They are about a month old from clone, only been in DWC for 4 days under 600w HPS, PH fine (5.8) room temp 27c, nute temp 20c, good air circulation. They only started to yellow last night. Rating: 5