What’s that deficiency?

If your Amazon Swords show any of the following signs, they might be deficient in something. 6Twisty or pale growth

— Calcium deficiency 6Dark veins with light

deficiency leaf — Magnesium 6Chalky deposits at base

of leaves — Carbon dioxide deficiency 6Weak new growth, often

pale leaves — Nitrogen deficiency 6Old leaves yellowing

and dying — Nitrogen deficiency 6Tiny holes in leaves, often with yellowing

— Potassium deficiency 6Yellow leaves with dead patches that die quickly

— Phosphate deficiency