Doubt it is cal/mag. He is using tap water. No need to let it sit out tho. I'm concerned with u using the aquarium ph test kit. The color of the food will alter the results. Found this out the hard way. Get a ph pen for accurate results.
Treez81 Reviewed by Treez81 on . Flowering day 45, fan leaves turning yellow and bentting up - need advice fast What is your experience level? (first timer, novice, experienced...) first time indoors, experienced outdoor Your Equipment: .1) Type and wattage of lights. (MH, HPS, CFL's, tube fluorescents, LED's) HPS 400W .2) Distance from tops? 25cm .3) Reflector type? (cool tube set-up, bat wing, enclosed reflector, bare bulb...) none .4) Is there a consistent fresh air supply? yes, .5) Do you have an exhaust fan and a circulation fan? 1 35W 15cmx15cm top exhaust, 2 XBOX360 fans, 1 cpu fan Rating: 5