cannabis problems

  1. J

    Boron & Calcium Deficiencies - Plant Problems & Solutions

    Boron Deficiency Problem: A boron deficiency in cannabis is relatively rare, and is usually accompanied by other types of nutrient or pH problems that appear as problems with the leaves. The first signs of a cannabis boron deficiency is abnormal or thick growth tips along with brown or...
  2. M

    Please help - My seedling's leaves are turning yellow and falling off

    Dear friends, Although i am new to this forum i have been lurking around for many months now, and i love it( lots of great info and great community) This is my first grow and i am having major problems with my seedlings. They have stopped growing or are growing very very slow. ( Leafs...