They have worked very well thus far. The downfall is i was unable to complete b/c P#1 DIED DUE TO IMPROPER NUTREINTS ON ME. IT WAS FIRST GROW USING THEM. they came highly recommended from a local hobbyist who owns a shop (SWEET!!!!) I HAVE USED ONLY General Hydroponics I lost the first plant b/c i could not get nutrients flushed in time USING H2O2. THE REST WENT ON TO FLOWER AND....MALES. USED BUBBLE BAGS ON CHRISTMAS.
i WAS HAPPY WITH THE NUT.KIT, STILL A NOOB, I HAVE MY 3RD ROUND IN CHAMBER WITH A GIFT FROM NIRVANASHOP.COM. THEN I PLAN ON A CHANGE. I DIDNT HAVE ALLL THE FUN STUFF I HAVE NOW.