i did just type out a huge reply again but then thought the label on the back of the bottle explains it better so here it is lol
Living beneficial microbes and fungi, use your plants natural defenses!
Hydrogarden Bio-Link Plus allows your plant to help itself! Naturally fighting a wide range of insects and disease. Bio-Link Plus does this by re-introducing a wide range of naturally occurring beneficial microbes and fungi that have long since largely disappeared from the environment. These naturally occurring organisms aid in the natural process of plant growth and development.
Improves nutrient availability and efficiency resulting in improved plant response.
Aids the development of healthy root systems, making the plant stronger and more resistance to adverse growing conditions & disease.
Assists in the prevention and control of Anthracnose (Black Spot), Botrytis Cineria (Grey Mould), Pythium, Phytophora, Downey Mildew, Powdery Mildew and Rhizoctonia as well assisting in the prevention of Red Spider Mite, Mealy Bug, White Fly and other insect attacks through building up your plants natural amune system.
Benefitial microbes assist in the digestion of minerals making them more plant available.
HydroGarden Bio-Link Plus is organic and contains a wide range of benefitial Microbes and Fungi. It is non toxic and non hazardous to humans, animals, fish and plants.
No animal by-products are used in the manufacture of Bio-Link Plus
........what ya think?