Potassium Deficiency?

[Revanche21]

Look in my sig to look at latest pics of the problem:hippy:

[stoned88911]

Look in my sig to look at latest pics of the problem:hippy: fill out the trouble shooting form on top of plant problem page.

[Revanche21]

E-indoor (obviously)
E- DWC (obviously)
E-specific medium
E-Water source Sink water
E-Source water pH 5.5-5.8
E-Age of plant about 47 days
E-Type of fertilizer Botanicare line-up (see log)
E-Rate of application (if hydro, this is your PPM number, preferably after each component is added) Don't have a PPM meter, see log for specifics
E-Lighting source and distance from plant 600w HPS ranging from 5-12 inches from tips of plants
E-Air temperature (both day and night if you are running a dark period) No idea
HD-Reservoir temperature No Idea
E-Air % Relative humidity No idea
E-Lighting schedule 12/12
E-Type of ventilation your room has In a closet with a 3 x 3 ft fan ventilating air into the hallway that connects to a bedroom and living room
TR-Did you pre-soak your media in pH corrected solution? idk??? no

[Revanche21]

Still need help

[Revanche21]

the twisting yellow-green leaves seem to be from heat stress