If your soil pH is too low, flush with 7-7.2
If your soil pH is too high, flush with 6.4-6.6
If your soil pH is just right, flush at 6.7 and call it good.
stinkyattic Reviewed by stinkyattic on . Leaves curling up and over - Please help! 8 days into flowering. 305w CFL 2700k about 2-4 inches from plant tops. 70 to 78 degrees, never tops 80. I just noticed only about 5-6 leaves on the top and sides of my plant are curling up and over. I just fed them yesterday with full strength nutes (1 tsp of Fox Farm Tiger Bloom) and thought this might be the problem but not sure. I've been using only half nutes up until this time and have NOT been alternating waterings which might be the problem also. You'll notice in the middle of Rating: 5