BTW; I DO CONSTANTLY CHECK MY PH & PPM. I CHECK THE TEMP OF THE WATER TOO. I KNOW ITS NOT THAT DIFFICULT, I THINK I HAD SOME BEGINNERS LUCK, AND NOW....... I EVEN CHECKED WITH MY ROOTING SOLUTION, CAUSE I'D BEEN LEAVING IT OUT UNDER MY LIGHT. I THOUGHT, MOLD? BUT I DOUBT. THANKS AGAIN, DONNIE