7 is okay, but optimal nutrient intake is 6.5.

also, take it easy on the nutes if your soil already has them.
letsgetalongbrd Reviewed by letsgetalongbrd on . FIRST GROW CFL I STARTED TWO BAG SEEDS IN SOIL. I HAVE 10 23 WATT CFLS MIXING 6500K AND 2700K. IT IS A CLOSET GROW THAT WAS THROWN TOGETHER WITH LITTLE MONEY. ITS ON 26TH DAY VEG. STILL HAVENT SEXED PLANTS. HOPING FOR FEMALES . CHECK EM OUT ANY ADVICE APPRECIATED Rating: 5