got 7 plants about 20 days old some look good,others a lighter green and some of them with yellow leaves(1 has black spots). My soil master says plants ph is 7-7.5. how do i make soil more acidic? please help
PurpleWreck Reviewed by PurpleWreck on . PH problem got 7 plants about 20 days old some look good,others a lighter green and some of them with yellow leaves(1 has black spots). My soil master says plants ph is 7-7.5. how do i make soil more acidic? please help Rating: 5