im not sure if its because they dont have enough nutes, ph, heat stress, or over watering but all of my seelings (6 diesel ryder) lower leaves turned yellow and today i checked on em and now theyre starting to show some red in the middle... Help please!

btw i wrote that my ph was 6.8 but my ph meter is a little faulty so if you think it might b ph let me kno.

E-indoor
E-soil
E-specific medium organic mg
CSL-Soil type/brand organic mg
SCLR-6.8
E-Water source tap
E-Source water pH 6.8
E-Age of plant 2 weeks
E-Type of fertilizer none yet

E-Lighting source and distance from plant 4 cfls 2 to 3 inches
E-Air temperature (both day and night if you are running a dark period) usually in high 80s
E-Air % Relative humidity 38
E-Lighting schedule just switched to 20/4 before it was 24/0
E-Type of ventilation your room has 4 inch vortex
should Reviewed by should on . sick seedligs im not sure if its because they dont have enough nutes, ph, heat stress, or over watering but all of my seelings (6 diesel ryder) lower leaves turned yellow and today i checked on em and now theyre starting to show some red in the middle:mad:... Help please! btw i wrote that my ph was 6.8 but my ph meter is a little faulty so if you think it might b ph let me kno. E-indoor E-soil E-specific medium organic mg CSL-Soil type/brand organic mg SCLR-6.8 E-Water source tap Rating: 5