Bloom Yellow Bottles - Silica plant health Some for example are potassium

Some for example are potassium silicate and others of a similar nature

When growing indoors

Royal Black chelates nutrients like magnesium

also use with light nutrient solution E

Bloom Yellow Bottles - Silica plant health Some for example are potassiumPRODUCT FEATURES Promotes a healthy plant through potassium silicate Highly concentrated potassium silicate 53. 2% the strongest available in the market worldwide Potassium silicate is important for plant growth creates thick cell walls giving the plant protection against insect and fungus attacks Potassium silicate can not be translocated so continued application will give the best result Foliar application can be applied to control fungus outbreaks