Pro-Tekt Bonsai & General Plant Supplement
Prot-Tekt provides extra strength and protection for your bonsai and other plants.
Silicon and potassium help built stronger cell walls, improve photosynthesis, increase heat, drought and cold tolerance and help protect against sucking insects.
Excellent for cold climates, hot climates and everything in between.
8oz liquid concentrate by Dyna-gro. Silicon 7.8% Potassium 3.7%